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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

EXTENDED YEAR SET - Patenting By Geographic Region (State and Country),
Breakout By Organization

Count of 1969 - 2013 Utility Patent Grants,
By Calendar Year of Grant

- Explanation of Data -

Rank Ordered Listing of Organizations Receiving 5 or More Utility Patents During the Period
Originating From

PENNSYLVANIA

( patent origin is determined by the residence of the first-named inventor )

The following table displays first-named assignees and counts of their associated patents, as distributed by the year of patent grant.
First-Named Assignee 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 Total
~INDIVIDUALLY OWNED PATENT 539 462 549 583 593 629 531 441 464 450 318 400 415 357 307 388 356 376 440 368 483 495 459 473 435 529 494 539 466 691 706 632 578 514 477 438 328 416 326 275 278 406 359 383 405 20551
WESTINGHOUSE ELECTRIC CORP. 241 285 333 299 307 368 301 309 307 275 213 240 237 197 157 222 199 273 474 274 243 210 173 152 138 133 68 55 40 38 6 3 0 0 0 0 0 0 0 0 0 0 0 0 0 6770
E. I. DU PONT DE NEMOURS AND COMPANY 59 59 53 67 49 48 68 71 54 43 22 34 47 31 57 58 41 49 49 54 64 65 87 82 81 75 66 51 41 48 36 43 56 53 52 39 39 57 66 58 86 94 105 104 109 2670
PPG INDUSTRIES INC. 82 74 73 93 86 94 109 123 121 137 78 110 113 117 99 90 93 83 80 87 71 72 65 52 65 52 43 39 65 82 35 0 0 0 0 0 0 1 1 0 0 0 0 0 0 2585
AMP INCORPORATED 96 106 110 98 95 90 111 76 72 86 71 64 58 66 101 90 82 86 165 127 162 138 166 160 85 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2561
AIR PRODUCTS AND CHEMICALS, INC. 22 21 26 26 34 25 24 24 21 18 26 23 24 44 36 50 69 56 79 67 99 88 102 82 98 107 64 69 55 66 75 81 73 59 73 58 39 51 58 56 46 39 44 54 67 2418
ROHM AND HAAS COMPANY 31 38 27 54 51 70 42 49 80 79 68 63 68 40 48 36 26 27 21 16 27 30 42 55 86 110 97 86 52 54 69 64 63 57 61 70 49 55 38 32 34 42 39 46 35 2327
MERCK + CO., INC. 31 44 32 34 16 27 29 59 66 81 54 65 54 34 41 56 37 45 50 49 62 43 38 36 50 36 34 32 59 65 81 63 71 60 37 14 21 31 43 42 58 12 0 0 0 1892
GENERAL ELECTRIC COMPANY 62 77 85 68 82 68 50 42 52 37 34 20 30 24 26 18 12 17 19 29 28 16 17 19 25 37 20 23 17 10 15 26 38 32 35 23 24 44 31 24 35 30 40 40 70 1571
ALCOA INC. 18 21 29 40 50 55 36 50 35 36 25 26 35 17 25 44 47 61 61 60 56 46 56 40 58 37 32 41 20 41 36 25 29 29 26 28 20 17 14 15 8 15 14 16 14 1504
UNISYS CORPORATION 99 102 89 69 39 51 42 62 55 39 54 53 66 52 69 68 62 30 8 7 4 8 13 11 5 9 14 26 12 15 14 17 22 20 19 24 22 12 14 22 9 15 6 7 5 1461
AMERICAN HOME PRODUCTS CORPORATION 92 116 83 91 76 78 122 76 50 43 22 33 30 24 16 20 23 20 15 34 28 26 17 24 23 11 26 39 15 16 23 19 31 27 1 1 0 0 1 0 0 0 0 0 0 1392
AT&T CORP. 63 54 62 68 56 66 41 38 36 24 29 31 33 34 31 31 41 41 29 32 47 27 55 43 45 55 85 46 1 1 5 1 2 1 2 3 2 0 1 1 1 0 0 0 0 1264
GTE PRODUCTS CORPORATION 36 27 62 58 49 43 54 42 42 40 23 33 46 37 46 41 30 54 54 69 67 59 49 34 21 8 2 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1128
SMITHKLINE BEECHAM CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12 14 9 13 4 21 18 50 84 161 170 223 128 61 22 16 22 23 24 20 2 1 3 0 1101
RCA CORPORATION 27 33 63 45 32 45 47 48 54 45 31 53 61 70 57 81 74 96 99 32 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1093
UNIVERSITY OF PENNSYLVANIA 0 0 4 1 2 2 1 2 5 4 3 1 1 1 2 4 5 1 2 1 6 18 17 23 30 32 23 39 50 65 54 29 45 36 25 29 37 42 38 38 36 69 53 64 74 1014
GULF RESEARCH AND DEVELOPMENT COMPANY 63 80 88 109 79 68 56 47 54 51 51 53 50 44 38 21 14 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 971
USX CORPORATION 66 81 81 78 99 61 60 58 44 51 24 27 30 17 18 19 17 16 9 3 2 1 1 4 2 1 2 9 3 4 5 7 2 1 0 2 0 0 2 0 0 0 1 1 0 909
TYCO ELECTRONICS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14 27 43 69 48 74 58 62 86 109 116 98 103 907
PPG INDUSTRIES OHIO INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 59 76 80 56 64 53 46 55 42 59 38 68 60 54 51 861
WHITAKER CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 42 114 107 117 87 101 112 105 36 17 3 1 0 0 0 0 0 0 0 0 0 842
AGERE SYSTENS LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 21 113 92 59 74 81 76 74 101 59 60 29 841
ARMSTRONG WORLD INDUSTRIES, INC. 27 29 27 23 34 41 25 32 39 60 26 35 25 20 28 33 15 34 15 19 24 17 18 29 18 12 12 15 8 14 10 10 12 2 1 10 0 0 0 0 0 0 0 2 6 807
LUCENT TECHNOLOGIES INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 22 69 87 161 229 140 31 23 12 4 6 6 3 0 0 0 0 0 793
EATON CORPORATION 11 9 10 5 4 3 7 1 2 1 1 2 3 0 0 0 0 0 1 1 0 0 0 0 0 8 28 34 18 36 62 37 42 48 45 42 33 38 32 41 54 31 24 21 29 764
MOBIL OIL CORP. 8 6 6 6 9 16 13 8 13 23 14 12 15 17 14 24 35 20 33 19 40 41 33 34 50 65 35 31 20 13 10 11 12 2 1 0 0 0 0 0 0 0 0 0 0 709
SMITHKLINE BECKMAN CORPORATION 51 38 25 31 37 45 58 78 42 59 28 14 16 17 4 16 16 14 27 19 21 4 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 664
UNITED STATES OF AMERICA, NAVY 36 34 27 25 38 27 41 29 12 17 8 20 14 9 16 15 15 11 14 6 12 5 42 22 13 29 14 15 6 5 6 4 3 3 6 2 1 7 7 6 5 2 0 1 10 640
UNIVERSITY OF PITTSBURGH 0 0 0 0 0 0 0 0 0 0 2 6 3 2 5 8 3 8 9 6 10 11 9 10 8 10 13 9 15 30 37 34 32 20 21 21 17 21 18 29 23 27 27 39 50 593
BETHLEHEM STEEL CORPORATION 35 42 38 48 43 51 34 16 22 25 12 23 19 21 11 20 5 11 6 6 8 8 6 8 2 6 4 6 9 8 6 7 7 6 3 0 0 0 0 0 0 0 0 0 0 582
PENN STATE RESEARCH FOUNDATION, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 10 16 19 18 25 34 32 48 40 44 36 25 27 24 21 24 34 23 29 31 564
FMC CORPORATION 47 60 58 52 27 30 14 17 15 8 6 8 12 8 12 6 15 8 8 10 6 4 8 12 13 14 7 7 8 11 10 13 3 4 1 1 0 0 1 1 3 3 5 5 2 563
ATLANTIC RICHFIELD COMPANY 29 17 25 27 13 21 37 20 15 12 11 15 21 25 33 35 55 52 58 21 9 3 1 2 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 560
KENNAMETAL INC. 1 14 9 11 13 18 21 17 12 10 6 6 7 10 4 1 5 4 10 3 8 14 14 8 10 15 11 6 21 22 15 15 7 8 15 15 12 22 16 18 15 11 25 17 34 556
WESTINGHOUSE AIR BRAKE COMPANY 23 37 47 39 36 27 25 30 40 28 14 11 0 1 0 0 0 0 0 0 0 0 6 10 10 9 10 26 10 23 25 31 14 4 0 0 1 0 0 0 0 0 0 0 0 537
KOPPERS COMPANY INC. 33 58 44 20 30 40 29 32 23 18 12 16 22 13 28 29 10 9 6 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 473
PENNWALT CORPORATION 45 31 28 26 24 27 22 26 15 23 15 12 18 15 14 23 12 12 16 8 16 23 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 452
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 6 6 9 9 5 12 14 19 16 21 9 16 15 26 8 34 17 7 13 18 18 9 16 18 11 7 3 6 8 10 7 4 4 1 8 7 4 2 3 0 5 5 4 0 6 446
SUN OIL COMPANY OF PENNSYLVANIA 53 52 63 73 42 35 30 36 15 12 4 7 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 425
ARCO CHEMICAL TECHNOLOGY, L.P. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 31 42 32 42 48 45 42 35 27 16 26 14 10 12 1 0 0 0 0 0 0 0 423
CARNEGIE-MELLON UNIVERSITY 0 0 1 0 0 1 1 2 1 4 1 0 0 0 0 3 3 3 1 2 4 3 5 10 4 7 10 12 8 25 27 31 11 17 20 22 7 25 13 11 7 24 19 32 31 408
GENERAL INSTRUMENT CORPORATION 0 0 2 3 2 0 0 0 0 0 0 0 0 0 1 3 5 4 7 1 6 4 7 18 15 10 8 7 10 10 9 10 12 14 20 31 26 28 16 10 11 28 21 14 23 396
LORD CORPORATION 7 1 4 9 5 6 7 8 6 7 9 17 14 12 12 7 8 2 2 4 14 11 8 9 14 10 7 9 8 14 15 18 13 16 10 11 8 6 4 2 1 2 7 6 5 375
CALGON CORPORATION 16 26 12 15 16 5 17 22 12 7 9 9 10 5 5 9 12 6 12 11 8 8 11 11 18 13 12 10 10 9 6 10 4 4 1 1 0 0 0 0 0 0 0 0 0 372
BETZ LABORATORIES INC. 8 6 3 9 6 17 43 14 5 8 9 6 7 7 7 7 8 4 15 13 13 21 10 25 22 25 26 24 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 370
ALLEGHENY LUDLUM STEEL CORPORATION 10 5 26 35 27 21 12 20 19 16 13 7 11 5 11 11 14 5 12 16 8 17 5 9 0 8 4 5 1 3 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 360
LUTRON ELECTRONICS COMPANY, INC. 1 0 1 0 3 1 2 0 0 1 0 5 0 1 0 1 4 3 5 5 11 7 8 5 11 3 4 4 4 6 9 5 8 6 5 10 7 18 16 13 29 39 34 38 22 355
BRISTOL-MYERS SQUIBB COMPANY 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 3 6 17 3 7 5 8 15 25 21 17 37 31 21 35 17 20 28 25 344
UNITED STATES OF AMERICA, ARMY 33 18 28 34 22 27 25 15 15 10 3 5 8 4 3 5 3 2 2 0 2 0 0 2 3 2 3 2 2 1 4 1 2 1 3 4 7 5 6 2 6 4 5 7 4 340
ROBERTSHAW CONTROLS COMPANY 25 20 20 16 17 21 10 24 18 13 5 10 10 8 4 9 4 3 6 2 7 7 12 17 15 15 8 1 1 2 3 3 2 1 0 0 0 0 0 0 0 0 0 0 0 339
HONEYWELL INC. 29 20 18 15 22 13 24 16 11 11 11 12 12 12 8 6 7 8 2 8 16 8 3 9 4 2 3 0 2 2 10 7 2 3 0 0 0 0 0 0 0 0 0 0 0 336
WYETH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 24 39 33 21 33 41 35 49 36 8 3 7 329
MINE SAFETY APPLIANCES CO. 22 22 24 17 13 14 12 5 6 9 4 7 7 6 2 3 2 3 4 3 15 7 8 4 1 3 6 5 4 7 8 2 8 6 4 3 3 4 5 2 1 3 4 4 5 307
SEAGATE TECHNOLOGY, LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 18 34 21 24 16 16 30 41 47 33 14 296
CNH AMERICA LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 18 18 23 26 43 40 52 42 29 293
THOMAS JEFFERSON UNIVERSITY 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 9 1 2 2 1 7 4 4 5 7 7 9 12 20 21 24 23 32 26 17 8 5 4 7 2 6 11 2 4 4 291
INTERDIGITAL TECHNOLOGY CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 2 3 1 4 0 3 3 5 19 17 35 34 29 29 24 27 36 14 288
FCI AMERICAS TECHNOLOGY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 10 37 21 22 20 21 32 36 22 19 10 15 11 278
HON HAI PRECISION IND. CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 32 46 39 15 22 11 14 13 20 12 19 3 252
BAYER CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14 39 28 37 21 33 32 21 19 2 1 1 0 0 0 0 0 0 0 248
OSRAM SYLVANIA INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 9 8 17 23 19 21 19 11 13 12 15 8 12 16 9 6 9 5 0 0 234
BOEING COMPANY 5 12 11 4 2 4 11 5 0 3 3 6 6 10 6 4 6 1 4 10 9 2 6 2 9 7 5 2 3 3 1 2 3 2 1 8 4 3 8 7 5 9 5 6 3 228
MEDRAD, INC. 0 1 1 1 0 0 0 1 2 1 0 0 0 0 1 1 0 1 1 3 4 3 1 1 1 3 4 4 2 9 11 9 8 18 8 18 10 12 9 10 13 11 8 19 16 226
CERTAINTEED CORP. 4 5 4 2 0 3 2 2 0 2 1 0 1 3 0 0 1 1 0 0 1 0 0 0 4 4 6 4 3 1 9 8 11 5 5 10 3 8 14 5 9 13 11 30 28 223
JANSSEN PHARMACEUTICA N.V. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 1 2 1 2 1 12 8 14 28 37 37 32 43 221
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 2 3 0 2 0 1 1 0 0 2 0 1 2 2 2 0 4 1 0 2 2 1 4 5 4 6 5 5 9 15 6 13 5 9 5 13 10 6 8 11 14 9 13 14 217
BUDD COMPANY 22 20 27 13 11 5 7 5 8 4 2 11 19 7 10 16 10 1 7 3 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 211
NEW HOLLAND NORTH AMERICA, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20 22 14 22 26 25 17 16 23 25 1 0 0 0 0 0 0 0 0 211
MCNEIL-PPC, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 4 1 11 8 14 10 16 11 16 14 9 14 13 5 6 3 6 5 8 10 9 8 8 210
TEMPLE UNIVERSITY 1 1 1 4 2 3 0 2 2 3 5 1 1 2 0 1 0 1 4 7 10 8 2 13 9 9 9 7 9 6 5 4 6 8 10 5 2 7 4 2 6 2 7 7 10 208
INGERSOLL-RAND COMPANY 11 13 10 7 4 6 4 3 7 6 3 1 6 5 4 4 6 2 2 7 4 7 7 6 8 6 5 9 4 1 4 5 4 1 5 5 3 2 1 0 2 1 4 0 1 206
SIEMENS MEDICAL SOLUTIONS USA, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 2 24 31 43 38 41 24 205
BERG TECHNOLOGY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 13 15 18 30 21 37 38 20 6 3 1 0 0 0 0 0 0 0 0 203
AGERE SYSTEMS GUARDIAN CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 78 119 3 1 0 0 0 0 0 0 0 0 0 201
AMERICAN STERILIZER COMPANY 10 4 5 7 3 3 4 4 2 7 5 6 9 6 2 13 9 10 14 18 8 10 9 5 5 1 4 2 1 0 0 1 0 0 0 0 0 0 0 1 2 2 5 2 2 201
DRESSER INDUSTRIES, INC. 40 16 14 11 6 8 6 9 4 10 2 2 4 1 1 5 10 5 2 6 11 5 4 4 4 2 0 0 2 1 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 199
LOCKHEED MARTIN CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 8 7 7 10 14 7 8 13 12 20 13 15 9 24 22 199
FISCHER & PORTER COMPANY 9 8 7 8 11 10 10 13 21 15 9 9 11 8 10 7 3 6 4 11 5 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 198
HERCULES INCORPORATED 13 8 1 9 5 3 9 5 8 6 1 1 9 8 9 9 5 3 6 3 0 3 2 9 5 5 2 4 5 6 4 4 7 11 3 0 2 0 0 0 0 1 3 0 1 198
ROCKWELL INTERNATIONAL CORPORATION 13 9 17 8 9 12 14 9 14 9 14 16 21 2 8 7 4 3 2 5 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 197
LEEDS + NORTHRUP COMPANY 23 22 22 20 13 10 15 12 8 7 9 9 5 4 12 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 195
ARLINGTON INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 2 1 2 5 5 13 17 14 20 17 13 21 21 16 14 6 3 1 0 194
SCOTT PAPER CO. 14 6 5 6 17 18 14 10 11 15 6 8 4 7 6 3 4 0 4 2 6 5 3 3 1 6 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 187
GRACO CHILDREN'S PRODUCTS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 3 5 12 9 7 6 3 11 4 10 10 7 18 13 24 16 11 8 180
UNITED STATES OF AMERICA, DEPARTMENT OF AGRICULTURE 5 7 6 8 6 23 11 3 5 7 2 2 2 0 2 8 1 1 2 0 2 6 4 5 8 1 3 0 4 4 6 2 5 4 3 0 3 1 2 2 2 2 2 5 3 180
I-T-E IMPERIAL CORPORATION 10 21 29 17 23 32 18 12 10 4 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 178
ELECTRIC POWER RESEARCH INSTITUTE, INC. 0 0 0 0 0 0 0 0 1 19 18 11 22 13 6 14 5 3 2 7 9 2 7 4 3 12 2 6 3 5 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 177
GAF CHEMICALS CORPORATION 16 23 11 26 20 28 13 16 2 4 6 2 2 2 3 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 176
FORD NEW HOLLAND, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 26 28 28 33 21 23 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 173
SYNTHES (U.S.A.) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 3 0 1 0 0 0 1 2 7 6 8 3 13 4 5 8 10 6 22 21 14 18 18 173
MERCK SHARP & DOHME CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 39 38 43 51 171
TEXTRON INC. 2 4 6 16 6 9 20 12 16 17 23 11 17 2 2 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 167
HENKEL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 5 5 9 8 14 30 10 26 26 14 10 1 0 0 0 0 0 0 0 0 0 0 0 161
AMCHEM PRODUCTS, INC. 7 8 8 16 5 12 16 14 7 8 8 2 6 5 9 3 7 4 8 6 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 160
ORTHO-MCNEIL PHARMACEUTICAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 6 17 19 16 13 17 23 11 14 4 4 2 6 2 157
WILLIAM H. RORER, INC. 1 0 0 3 6 17 19 10 5 8 10 22 6 2 5 11 9 11 8 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 154
AMERICAN CYANAMID COMPANY 2 2 3 1 1 1 4 0 3 2 2 3 2 0 5 2 1 1 4 3 2 4 4 6 14 25 6 4 2 5 13 10 9 3 1 1 0 0 0 0 0 0 0 0 0 151
SHOP-VAC CORPORATION 0 0 0 0 0 0 0 0 0 0 0 3 2 2 1 3 4 8 10 3 8 2 5 4 3 4 5 4 2 4 6 12 5 16 7 0 2 1 3 3 4 5 2 2 3 148
FORD AEROSPACE CORPORATION 32 27 24 14 20 12 5 4 1 0 0 0 3 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 144
DRAVO CORPORATION 5 5 6 8 16 4 15 12 6 6 8 7 8 5 10 6 3 8 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 143
BORG-WARNER CORPORATION 14 8 6 13 13 13 10 5 7 12 5 5 7 4 3 1 8 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 138
GRAHAM PACKAGING COMPANY, L.P. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 2 6 8 8 8 10 14 8 9 9 10 14 11 16 137
CHEMIMAGE CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 4 14 13 24 25 20 11 9 12 136
DREXEL UNIVERSITY 0 1 1 1 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 2 1 2 2 4 6 4 1 2 5 1 2 2 7 2 2 1 0 3 5 7 15 15 16 23 136
CEPHALON, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 4 6 17 13 4 6 9 10 4 6 5 7 7 3 2 5 7 6 13 135
MCNEIL LABORATORIES, INC. 20 16 4 10 8 18 12 11 10 7 5 5 3 0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 132
AMERICAN STANDARD, INC. 0 0 0 0 0 2 1 0 0 0 0 5 11 17 12 9 15 10 10 13 8 9 5 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 130
RIC INVESTMENTS, LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5 8 10 11 11 28 18 17 21 130
SUNTECH, INC. 0 0 0 0 0 0 0 3 18 24 15 23 17 8 3 12 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 130
MCNEILAB INC. 0 0 0 0 0 0 0 0 0 0 1 16 7 2 6 4 7 13 18 15 10 7 3 0 6 8 4 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 129
SOUTHCO INC. 5 0 1 1 0 1 2 1 3 1 0 1 1 1 0 2 3 5 5 3 7 2 1 4 1 2 2 0 5 2 9 10 6 5 3 8 3 4 2 4 0 5 1 2 4 128
FULLER COMPANY 3 4 4 12 6 12 5 2 2 5 1 3 2 1 1 0 5 13 8 6 5 3 4 5 3 2 2 0 2 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 124
SPS TECHNOLOGIES, INC. 12 15 10 6 4 3 4 8 8 7 6 4 0 2 5 1 0 1 3 1 6 5 2 5 4 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 124
MARS INCORPORATED 0 0 0 0 0 0 0 0 0 1 0 3 2 0 2 2 3 2 0 5 4 4 4 2 3 4 3 3 4 5 6 6 7 8 10 6 8 4 1 0 0 5 3 1 1 122
WESTINGHOUSE ELECTRIC COMPANY LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 4 13 7 7 8 8 6 5 8 4 9 9 8 23 122
E. R. SQUIBB + SONS, INC. 0 0 1 1 1 1 6 2 3 9 8 5 4 7 1 3 2 2 4 2 4 9 12 8 3 6 5 4 2 1 2 0 0 0 2 0 0 0 0 0 0 0 0 0 0 120
CONTAINER CORPORATION OF AMERICA 9 5 10 8 8 2 7 9 5 5 1 4 5 8 8 9 2 2 3 1 4 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 119
UNITED STATES OF AMERICA, DEPARTMENT OF THE INTERIOR 9 8 8 3 6 3 5 12 9 3 7 4 8 1 4 4 4 2 2 3 1 0 2 3 0 2 3 1 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 119
KENSEY NASH CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 5 3 5 4 7 3 4 3 8 8 2 2 6 2 10 3 5 4 3 9 4 6 10 118
BLACK & DECKER INC. 0 0 3 2 0 2 0 1 1 0 0 0 5 0 0 0 3 2 2 0 0 0 0 0 0 0 0 0 2 2 4 6 2 3 3 3 1 3 4 7 4 17 15 9 9 115
GENERAL BATTERY CORPORATION 0 0 0 0 4 4 3 8 8 13 9 10 14 18 8 4 2 0 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 110
WOODSTREAM CORPORATION 4 1 1 0 1 1 1 1 10 2 5 0 4 1 2 2 2 0 2 1 2 0 0 1 3 0 4 3 2 4 4 0 0 0 3 6 3 5 3 1 1 5 5 9 5 110
CONOCO, INC. 2 0 1 2 3 1 3 5 3 5 8 9 13 6 11 14 4 8 3 2 0 0 1 0 0 0 0 0 0 0 0 0 1 4 0 0 0 0 0 0 0 0 0 0 0 109
EMERSON ELECTRIC CO. 1 4 10 8 6 4 4 6 4 2 2 3 13 4 2 3 1 0 3 4 1 4 0 0 1 0 0 0 2 1 5 1 3 0 2 2 0 3 0 0 0 0 0 0 0 109
FAIRCHILD SEMICONDUCTOR CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 2 12 8 10 4 6 4 10 11 7 10 13 10 109
YORK INTERNATIONAL CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 2 3 5 3 0 1 2 1 6 9 5 2 11 6 7 6 7 7 11 6 3 2 1 0 109
LYONDELL CHEMICAL TECHNOLOGY, L.P. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 19 18 15 15 19 3 11 7 108
GENTEX CORPORATION 6 7 14 3 2 3 3 3 1 1 2 2 1 1 2 2 1 0 4 2 6 3 2 2 3 0 1 1 0 0 0 0 2 3 2 3 5 2 6 2 0 0 2 1 1 107
SIEMENS WESTINGHOUSE POWER CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20 6 14 16 20 13 13 4 0 0 0 0 0 0 0 106
AMETEK, INC. 4 9 4 9 5 7 9 3 5 1 3 3 5 4 1 1 1 1 4 2 4 2 1 1 0 0 0 0 0 0 0 1 2 2 1 1 1 1 0 1 1 0 4 0 0 104
DANA CORPORATION 0 0 1 0 2 1 1 1 0 0 0 2 1 1 1 0 1 1 1 1 1 3 2 0 0 0 0 0 2 4 8 10 7 10 7 9 10 9 3 3 0 0 0 0 0 103
PENNSYLVANIA ENGINEERING CORPORATION 3 2 5 3 10 18 11 7 6 9 3 3 8 3 1 6 0 3 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 103
CARRIER CORPORATION 7 3 12 5 14 8 7 9 7 4 1 7 6 4 1 0 1 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 102
ETHICON, INC. 0 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 3 4 0 4 4 3 4 7 4 4 14 1 1 3 3 3 2 8 10 14 102
H. H. ROBERTSON COMPANY 14 5 13 5 4 7 3 4 8 4 5 10 3 3 0 4 2 2 2 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 102
MILES INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 20 31 25 23 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100
CABOT CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 4 3 2 1 0 2 0 1 4 2 3 1 0 1 3 5 3 13 8 6 5 6 7 4 6 3 1 1 0 99
REX MEDICAL, LP 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 10 8 8 10 5 6 3 11 11 12 12 99
ARCO POLYMERS, INC. 0 0 0 0 0 10 11 2 16 11 13 4 28 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 98
HEWLETT-PACKARD COMPANY 4 8 4 1 0 1 0 0 0 0 1 0 1 2 1 1 2 2 0 3 3 2 4 5 4 2 4 9 5 13 8 5 3 0 0 0 0 0 0 0 0 0 0 0 0 98
TRANSITIONS OPTICAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 9 4 9 3 0 5 0 1 2 2 0 5 7 4 14 4 8 4 14 98
JONES + LAUGHLIN STEEL CORPORATION 8 4 10 13 9 8 13 8 5 4 1 5 3 5 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 97
THOMSON LICENSING S.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 6 4 18 24 9 2 3 0 0 2 6 8 11 97
THERMAL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 2 2 4 10 12 12 12 25 2 1 0 5 1 3 1 96
ARISTECH CHEMICAL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 2 8 10 9 11 17 4 15 1 7 3 0 1 1 1 0 0 0 0 0 0 0 0 0 0 95
CENTOCOR, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 2 1 3 5 4 6 0 1 0 4 3 1 0 0 1 1 1 3 4 9 7 10 10 9 5 1 95
E.S.B. INCORPORATED 12 8 13 10 13 8 8 5 2 7 1 3 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 94
BAYER MATERIALSCIENCE LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 15 18 8 5 8 11 7 10 7 93
ICI AMERICAS INC. 0 0 0 1 7 3 4 6 1 3 0 2 3 3 1 3 9 6 2 5 6 8 8 6 2 0 0 1 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 93
HONEYWELL INTERNATIONAL INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 7 5 7 11 5 4 11 3 7 5 8 10 6 92
NORTHROP GRUMMAN CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 16 25 20 3 2 6 1 0 1 5 1 1 2 2 1 0 0 92
RESPIRONICS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 2 3 14 9 3 8 5 5 12 15 6 6 0 0 0 0 0 0 0 0 92
HARRIS CORP. 2 0 2 8 5 7 10 5 2 3 5 7 2 1 0 1 1 1 0 1 0 1 1 3 3 2 5 1 0 0 5 0 0 0 0 0 0 1 0 0 3 1 1 1 0 91
LSI CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 0 1 9 23 54 91
WEST COMPANY, INCORPORATED 4 1 2 1 1 0 3 3 1 1 1 1 3 3 9 4 3 0 1 5 6 7 4 8 2 3 4 4 1 3 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 91
ARKEMA INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 11 10 10 7 10 8 13 16 90
DENTSPLY RESEARCH + DEVELOPMENT CORP. 0 0 0 1 2 0 2 5 2 3 1 2 3 1 8 5 12 5 4 0 2 1 1 1 1 1 3 2 2 1 1 1 4 6 1 2 3 1 0 0 0 0 0 0 0 90
ELF ATOCHEM NORTH AMERICA, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 14 7 6 8 4 10 13 20 0 0 0 0 0 0 0 0 0 0 0 0 0 90
MOBAY CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 15 25 21 18 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 90
RESEARCH CORPORATION 1 2 3 3 6 6 4 6 2 4 7 2 7 7 3 8 3 4 7 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 89
ALLIS-CHALMERS CORPORATION 7 5 9 7 3 6 4 2 6 2 3 7 4 6 7 4 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 88
STERLING WINTHROP INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 29 20 24 6 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 88
GLOBUS MEDICAL INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 4 8 15 19 38 87
BETZDEARBORN INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 25 18 17 15 6 2 1 0 0 0 0 0 0 0 0 0 0 86
KULICKE AND SOFFA INDUSTRIES INC. 2 3 1 2 1 0 1 0 0 1 0 2 1 4 1 3 1 3 1 5 7 0 1 3 0 1 1 0 0 1 0 1 1 0 0 2 0 2 5 8 7 4 3 6 1 86
ARCO CHEMICAL TECHNOLOGY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 23 23 33 5 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 85
CONSOLIDATION COAL COMPANY 3 3 6 4 8 7 8 9 5 1 2 1 3 1 1 1 2 0 2 2 7 1 4 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 83
MOBAY CHEMICAL CORPORATION 10 10 4 1 0 0 0 2 0 2 1 5 7 7 9 6 13 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 83
RHONE-POULENC RORER PHARMACEUTICALS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14 6 9 9 9 12 10 9 3 2 0 0 0 0 0 0 0 0 0 0 0 0 0 83
MORTON THIOKOL, INC. 17 6 4 6 10 3 1 3 3 6 3 4 0 1 2 1 1 1 0 2 2 0 0 0 1 2 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 81
AWI LICENSING COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 14 5 14 9 6 6 4 3 5 3 6 80
TRUEPOSITION, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 8 6 5 2 2 2 2 1 1 7 10 21 10 80
CALGON CARBON CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 6 4 2 0 0 1 1 1 2 8 5 3 3 4 6 3 2 4 5 2 2 2 1 1 0 0 1 2 3 78
BECTON, DICKINSON AND COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 1 0 0 1 1 0 0 0 3 6 6 3 10 5 3 4 2 1 1 2 4 2 1 1 5 5 3 3 77
LATTICE SEMICONDUCTOR CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 1 6 12 8 9 3 15 5 1 6 5 77
MACK TRUCKS, INC. 3 4 4 1 0 1 1 3 0 0 1 0 2 0 1 3 2 1 0 1 0 0 0 0 1 1 1 0 0 1 1 2 1 3 0 3 2 2 4 2 4 3 6 6 6 77
PQ CORPORATION 0 0 0 0 0 0 0 0 0 3 2 3 2 5 4 1 3 2 3 2 2 0 1 2 1 0 3 2 5 4 3 2 3 1 3 0 1 1 1 1 5 1 1 0 2 75
ACCU-SORT SYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 3 3 5 8 3 4 1 5 7 3 2 0 5 15 2 1 3 1 74
EXXON RESEARCH + ENGINEERING CO. 0 2 0 0 0 0 0 1 1 2 5 6 7 8 3 1 4 0 0 1 0 1 2 8 5 3 2 1 0 1 7 2 1 0 0 0 0 0 0 0 0 0 0 0 0 74
SI HANDLING SYSTEMS, INC. 4 5 4 0 2 1 4 0 5 6 2 1 0 9 4 4 3 10 1 2 2 0 0 0 1 0 0 0 0 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 74
UNION SWITCH & SIGNAL INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 6 6 5 8 9 8 2 9 5 5 1 0 0 0 3 3 0 0 0 0 0 74
UNITED STATES OF AMERICA, AIR FORCE 6 1 8 2 3 0 1 1 2 2 1 2 2 0 3 3 1 2 5 3 2 1 1 6 4 3 1 2 0 0 0 2 1 0 0 0 0 1 1 0 1 0 0 0 0 74
WEAN UNITED, INC. 0 0 1 3 15 19 6 3 6 1 4 2 2 0 2 2 1 4 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 74
ALLIED-SIGNAL INC. 2 1 1 5 1 2 3 6 1 2 1 1 1 2 12 7 3 5 1 1 1 1 1 3 2 0 2 1 0 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 73
CARPENTER TECHNOLOGY CORPORATION 0 1 5 3 3 5 6 3 4 4 4 1 2 0 1 2 1 2 1 1 7 3 8 4 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 73
CORNING INCORPORATED 9 3 7 4 8 4 1 4 0 0 1 0 4 0 0 3 1 0 0 0 0 0 1 1 0 0 0 3 3 1 1 1 1 1 2 2 1 0 0 0 0 1 1 1 2 72
TRISTRATA TECHNOLOGY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17 36 4 9 3 1 1 0 1 0 0 0 0 0 0 0 0 0 72
TRW INC. 5 5 3 5 0 3 3 2 6 1 4 9 5 6 3 4 4 0 0 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 71
X2Y ATTENUATORS, L.L.C. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 4 10 3 4 9 5 9 5 6 9 0 2 71
TELEFLEX INCORPORATED 4 3 0 1 2 2 4 1 2 2 2 2 1 2 0 0 4 1 0 2 4 4 3 4 3 0 3 1 0 2 0 0 1 0 1 1 2 1 2 1 1 0 0 0 0 69
JENNMAR CORPORATION 0 0 0 0 0 0 0 0 1 0 1 0 0 0 2 0 2 1 2 1 4 3 2 1 4 3 5 4 0 7 4 3 3 0 4 1 0 3 3 4 0 0 0 0 0 68
THOMSON CONSUMER ELECTRONICS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 4 6 5 5 6 5 6 9 8 7 3 0 0 0 0 0 0 0 0 0 0 0 0 0 68
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LEHIGH UNIVERSITY 0 0 1 1 0 0 1 0 0 0 0 0 0 1 0 2 0 2 3 1 2 4 6 6 4 3 1 1 0 2 0 1 0 0 0 0 1 1 0 1 4 3 5 5 5 67
NETAPP, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 17 19 14 13 67
SUN VENTURES INC. 0 0 0 0 0 6 19 20 9 8 1 3 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 67
DUQUESNE UNIVERSITY OF THE HOLY GHOST 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 4 1 5 9 5 3 4 3 3 1 2 0 0 2 0 6 7 7 66
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 5 4 4 3 1 4 4 6 4 7 18 65
VICTAULIC COMPANY OF AMERICA 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 4 0 1 2 3 3 1 1 0 0 1 1 1 0 2 5 2 2 3 4 4 1 4 6 4 6 1 65
BINNEY & SMITH 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 1 2 3 4 6 6 11 5 1 4 7 1 4 2 1 2 0 1 0 0 0 0 0 0 64
HMW INDUSTRIES, INC. 12 11 16 9 12 1 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 64
JP MORGAN CHASE BANK, N.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 8 4 3 17 6 11 12 64
MEDICAL COMPONENTS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 2 0 1 0 1 0 4 5 0 0 5 3 6 10 15 10 64
RORER PHARMACEUTICAL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 18 16 19 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 64
SUN RESEARCH AND DEVELOPMENT COMPANY 0 0 0 1 24 22 11 5 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 64
3-DIMENSIONAL PHARMACEUTICALS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 2 1 6 15 15 11 3 1 2 1 1 1 0 0 0 0 63
TELEDYNE INDUSTRIES, INC. 2 6 9 13 6 4 2 1 0 2 2 0 1 1 0 1 2 1 2 2 1 1 0 1 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 63
MORTON INTERNATIONAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 3 4 5 6 10 9 16 4 1 0 1 0 0 0 0 0 0 0 0 0 62
THE CHILDREN'S HOSPITAL OF PHILADELPHIA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5 0 0 2 0 0 1 1 3 3 2 6 5 4 5 4 5 1 4 3 7 62
W. L. GORE & ASSSOCIATES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 2 0 1 3 6 11 8 5 6 1 0 0 0 0 0 0 0 0 0 0 0 5 11 62
ZURN INDUSTRIES, INC. 5 1 3 1 4 3 3 1 1 1 2 2 1 2 2 0 1 0 1 1 0 1 2 0 2 2 2 1 1 2 2 1 1 2 1 3 2 1 1 0 0 0 0 0 0 62
ADAMS MFG. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 2 2 1 2 5 4 6 3 2 3 1 7 3 3 3 0 4 1 0 2 0 2 1 61
CRUCIBLE MATERIALS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 6 1 6 5 3 5 5 2 2 2 5 1 3 5 3 0 1 1 1 0 0 1 0 1 0 0 0 0 61
UNITED ENGINEERING AND FOUNDRY COMPANY 21 13 10 11 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61
WERNER CO. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 3 2 0 2 0 0 0 0 0 4 4 0 1 6 12 10 14 61
GLAXOSMITHKLINE LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13 17 8 22 60
ILLINOIS TOOL WORKS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 0 0 1 5 3 8 5 1 1 3 5 4 5 11 2 2 60
STREAMLIGHT, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 0 0 0 2 1 2 1 1 2 2 2 5 2 3 3 5 1 6 3 4 5 5 60
WISTAR INSTITUTE 0 0 0 1 0 0 0 1 0 0 1 1 0 2 2 1 2 2 5 1 1 1 1 4 4 0 2 2 3 1 0 0 1 0 3 0 1 1 1 1 4 2 0 3 5 60
ITT CORPORATION 0 5 2 4 3 6 1 0 11 3 3 2 2 0 0 1 0 1 1 0 1 0 2 2 4 3 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 59
PFIZER INC. 3 5 3 3 1 0 1 1 2 1 1 1 4 0 4 0 2 0 5 1 1 2 0 3 2 0 0 0 1 0 1 0 3 0 1 3 1 0 1 1 0 0 1 0 0 59
UNION CAMP CORPORATION 0 1 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 2 4 3 8 8 4 9 3 4 7 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 59
YOUNG INDUSTRIES, INC. 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 2 0 1 1 0 2 1 2 2 2 0 0 4 1 1 5 7 3 7 4 3 2 3 2 1 1 0 0 59
ATOFINA CHEMICALS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 11 13 17 15 1 0 0 0 0 0 0 0 0 58
BRISTOL-MYERS SQUIBB PHARMA COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 12 11 10 12 8 2 1 0 1 0 0 0 58
METROLOGIC INSTRUMENTS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 2 1 4 12 14 10 7 5 58
SARNOFF CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5 10 4 8 7 2 6 4 3 4 1 3 0 0 0 58
SELAS CORPORATION OF AMERICA 3 2 7 3 5 3 4 1 0 3 1 8 2 0 2 4 0 0 0 0 0 0 1 2 2 1 0 0 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 58
SMITHKLINE BEECHAM PLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 12 15 10 8 3 0 2 0 0 2 1 1 1 0 1 0 58
ALLEGHENY-SINGER RESEARCH INSTITUTE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 1 0 3 3 3 0 2 0 2 2 4 1 1 0 2 2 2 2 1 3 3 6 5 5 57
GLAXO GROUP LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 3 17 16 5 6 6 57
MESTA MACHINE CO. 8 8 8 5 9 5 3 0 2 3 0 1 1 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 57
ATLAS POWDER COMPANY 0 0 0 0 0 0 1 3 4 7 4 4 4 3 2 3 0 1 0 1 4 6 3 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 56
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CRUCIBLE INC 1 4 7 7 5 6 6 7 2 3 2 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 54
FOX CHASE CANCER CENTER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 4 2 1 2 2 5 4 3 1 1 3 2 0 1 5 2 2 4 2 5 1 54
MCCONWAY + TORLEY CORPORATION 0 0 0 0 0 0 0 0 0 3 1 0 0 0 0 4 1 1 2 0 1 1 0 8 4 4 5 1 0 2 2 6 0 0 0 0 0 0 1 1 0 1 2 1 2 54
RAYTHEON COMPANY 0 0 0 2 2 4 6 2 1 1 0 2 0 3 4 2 3 2 0 2 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 2 3 1 9 54
WONDERLAND NURSERY GOODS CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 0 1 1 3 1 2 8 7 17 9 54
ADOLOR CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 3 3 2 7 1 2 1 5 2 2 5 6 5 2 2 53
BAYER AKTIENGESELLSCHAFT 1 0 0 1 0 1 3 0 0 0 0 1 1 1 2 0 1 2 0 4 6 6 5 0 1 0 1 0 1 0 0 1 1 6 2 4 1 0 0 0 0 0 0 0 0 53
SIEMENS ENERGY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 15 12 12 4 53
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F. L. SMITHE MACHINE COMPANY, INC. 2 3 4 7 5 3 0 6 4 0 3 0 0 0 0 0 0 0 1 0 0 0 1 3 1 0 0 1 1 1 1 3 1 0 0 0 0 0 0 0 0 0 0 0 0 51
GOULD INC. 0 0 0 0 0 0 0 0 2 14 7 12 11 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 51
RCA LICENSING CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15 16 10 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 51
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LANDIS TOOL COMPANY 12 0 4 8 6 5 4 4 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 48
ORTHO PHARMACEUTICAL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 2 0 1 0 1 0 1 2 6 8 4 10 2 3 0 3 0 0 0 0 0 0 0 0 0 1 0 48
PHILADELPHIA QUARTZ COMPANY 3 3 3 3 9 10 6 7 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 48
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TEXAS INSTRUMENTS, INCORPORATED 0 0 3 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 1 0 0 1 0 0 2 6 0 3 3 4 3 1 3 1 4 5 46
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ELAN PHARMA INTERNATIONAL LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 5 4 3 3 3 2 4 3 2 6 6 0 0 45
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INTERNATIONAL PAPER CO. 1 2 2 2 0 3 0 0 3 0 3 0 1 1 0 0 4 2 2 0 1 1 4 1 0 0 1 1 1 0 0 1 2 3 0 1 0 0 0 1 1 0 0 0 0 45
NATIONAL FORGE COMPANY 3 1 4 6 2 2 3 3 3 3 0 0 0 0 0 0 0 4 2 1 2 1 1 1 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 45
NOVA CHEMICALS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 4 1 3 1 0 2 0 4 1 1 11 7 7 1 45
SUN REFINING AND MARKETING COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 9 6 5 4 10 2 6 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 45
EXTRUDE HOME CORPORATION 0 1 0 1 0 2 0 0 0 0 0 0 0 0 1 1 0 1 2 2 1 3 5 3 4 1 0 1 1 1 1 0 1 1 4 2 2 1 1 0 0 0 0 0 0 44
FRICK COMPANY 8 1 0 5 1 4 2 2 1 2 1 2 0 2 3 3 3 0 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 44
HEDSTROM CO. 0 0 0 3 1 0 0 2 3 0 1 3 3 0 0 0 0 1 0 0 0 2 2 2 2 5 1 1 0 1 0 1 1 3 5 1 0 0 0 0 0 0 0 0 0 44
JOHNSON MATTHEY INC. 1 1 0 0 0 0 1 1 0 1 0 4 4 2 2 1 1 0 2 4 3 1 2 3 3 2 1 1 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 44
ATOCHEM OF NORTH AMERICA, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7 18 17 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 43
AVENTIS PHARMACEUTICALS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 9 7 6 4 3 0 2 5 1 4 0 1 43
CHECKPOINT SYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 0 0 1 1 0 0 0 0 3 3 3 2 1 0 0 3 7 2 3 2 5 1 1 1 43
ELCO CORPORATION 4 6 7 3 3 3 2 3 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 1 3 2 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 43
FRES-CO SYSTEM USA, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 0 0 0 1 0 1 0 4 7 8 4 1 1 1 3 2 0 0 2 0 1 3 43
GULF + WESTERN INDUSTRIES, INC. 0 9 10 6 7 3 1 1 0 0 0 0 1 1 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 43
JOHNSON CONTROLS TECHNOLOGY COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 8 10 9 12 43
LITTON SYSTEMS INC. 0 0 0 0 1 0 0 1 0 1 0 0 4 0 0 0 1 0 2 0 1 3 3 2 1 0 7 7 2 0 5 0 1 1 0 0 0 0 0 0 0 0 0 0 0 43
MINERALS TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 4 4 3 3 6 10 4 3 0 0 2 0 1 0 0 0 0 0 43
SIOPTICAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 6 16 8 4 6 0 0 0 0 0 43
ABB POWER T&D COMPANY INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 8 2 3 0 4 8 5 1 3 2 2 1 0 0 0 0 0 0 0 0 0 0 0 42
BLAW-KNOX COMPANY 10 15 11 2 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 42
CENTRAL SPRINKLER CORPORATION 0 0 0 0 0 0 0 0 2 3 0 0 1 0 0 0 2 4 2 2 2 3 1 4 0 2 1 4 2 2 0 1 0 1 2 0 1 0 0 0 0 0 0 0 0 42
GULF OIL CORPORATION 1 2 0 3 1 2 1 9 5 0 1 5 4 5 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 42
SUN COMPANY, INC (R&M) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 5 8 5 7 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 42
AMERICAN COLOR AND CHEMICAL CORPORATION 0 0 0 0 0 0 2 4 11 9 2 6 2 1 0 0 0 1 0 0 0 0 0 0 0 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 41
BELL + HOWELL COMPANY 1 0 1 0 1 1 1 3 4 1 3 2 0 2 0 4 4 5 0 1 1 0 0 4 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 41
COGNIS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 11 15 4 2 3 4 0 0 0 0 0 0 41
NEW HOLLAND, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 16 16 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 41
POLYMER CORPORATION 7 4 3 2 1 0 1 0 1 3 2 4 6 1 5 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 41
SERMATECH INTERNATIONAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 4 1 2 2 2 1 2 0 0 4 1 2 1 6 5 2 2 0 0 0 0 0 0 0 0 0 0 0 41
SIEMENS MEDICAL SOLUTIONS HEALTH SERVICES CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 6 14 11 4 3 2 0 0 0 41
TECHNISERVICE DIVISION TEXTURED YARN CO., INC. 10 11 8 2 1 0 0 3 1 2 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 41
BELOIT CORPORATION 0 0 2 8 7 12 0 1 1 0 0 0 0 1 2 0 1 0 0 0 2 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 40
BERG ELECTRONICS INC. 2 5 12 16 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 40
BLOOM ENGINEERING COMPANY, INC. 1 2 1 2 1 1 3 1 0 1 1 2 1 2 0 5 1 0 0 0 2 1 1 1 1 2 0 0 0 1 0 1 0 1 0 2 0 0 1 0 1 0 0 0 0 40
CROMPTON + KNOWLES CORPORATION 1 1 4 0 1 2 2 2 0 0 2 3 6 0 0 2 0 1 1 1 8 0 0 0 0 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 40
DUPONT PHARMACEUTICALS COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7 11 19 1 2 0 0 0 0 0 0 0 0 0 0 40
JLG INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 1 2 5 1 4 3 1 1 0 0 2 0 1 0 0 0 0 1 1 1 0 1 0 1 3 0 2 1 2 2 1 0 1 2 0 0 40
PITTSBURGH CORNING CORPORATION 4 4 0 5 1 1 2 6 1 4 0 2 0 0 0 0 0 2 1 2 1 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 40
UNITED STATES OF AMERICA, DEPARTMENT OF HEALTH & HUMAN SERVICES 3 0 0 0 0 1 2 0 0 1 0 1 0 1 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 1 1 2 3 4 3 2 0 2 2 0 1 3 1 3 40
AUTOCLAVE ENGINEERS, INC. 0 2 2 2 2 0 0 1 1 3 2 2 9 2 3 2 2 0 0 1 0 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 39
INDUCTOTHERM INDUSTRIES INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 3 1 0 1 0 2 2 3 0 1 4 4 0 3 2 1 2 1 0 2 4 39
LONZA INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 3 5 2 2 5 5 3 3 2 1 1 2 0 1 0 0 1 0 0 39
MONSANTO COMPANY, INC. 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 2 2 1 0 0 0 8 3 4 6 6 0 0 0 0 1 0 0 0 0 0 0 0 39
ARIBA, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 4 5 7 7 5 3 3 38
ATI TECHNOLOGIES ULC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 3 3 1 2 5 4 1 5 6 3 0 1 0 38
CONSTRUCTION SPECIALTIES INC. 0 0 1 0 0 1 2 0 1 1 0 2 2 0 0 0 1 0 0 0 2 0 1 4 0 1 1 0 3 1 0 0 1 5 4 1 1 0 0 0 0 1 1 0 0 38
DELTA INTERNATIONAL MACHINERY CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 1 3 4 3 2 2 0 4 1 1 3 3 3 3 2 0 0 0 0 0 0 0 0 0 0 38
MOORE BUSINESS FORMS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 1 1 4 4 5 6 10 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 38
PITTSBURGH-DES MOINES CORPORATION 3 4 3 0 5 3 2 1 1 1 2 2 3 3 2 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 38
TRIQUINT TECHNOLOGY HOLDING CO. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14 13 6 5 0 0 0 0 0 0 0 38
B. BRAUN MEDICAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 3 1 2 0 0 0 1 0 3 1 1 2 6 4 3 4 3 37
JOY MM DELAWARE, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 3 2 1 3 0 5 2 1 1 0 0 0 1 1 8 5 37
MILLER EDGE, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 4 3 4 3 3 0 1 2 2 1 1 0 3 1 1 1 1 0 1 0 1 0 0 37
MOORE PRODUCTS CO. 5 3 2 2 3 2 0 0 0 4 3 0 0 0 0 0 0 1 0 1 0 0 0 0 2 0 3 0 2 2 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 37
UNION CARBIDE CORPORATION 1 0 0 0 1 1 0 1 2 2 0 9 4 5 4 3 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 37
CELLOMICS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 4 5 2 4 3 3 3 3 2 4 0 36
COMBUSTION ENGINEERING INC. 0 0 1 1 2 1 7 2 1 2 1 2 0 0 4 2 5 3 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 36
JOY MANUFACTURING COMPANY 0 0 0 0 0 0 1 3 2 2 0 5 3 4 2 5 3 3 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 36
MCGRAW-EDISON COMPANY 1 4 3 6 2 2 4 1 1 1 0 1 1 2 1 4 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 36
NATIONAL STARCH AND CHEMICAL INVESTMENT HOLDING CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 2 3 3 4 3 3 0 3 1 4 0 0 3 0 3 1 0 0 0 0 0 0 36
VIDEOMINING CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 2 1 3 10 5 11 36
ARCO CHEMICAL COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 29 5 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 35
BLUMCRAFT OF PITTSBURGH 2 3 3 4 5 3 0 0 1 1 1 0 0 0 3 0 2 0 3 2 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 35
CAMPBELL SOUP COMPANY 0 1 2 1 0 0 0 2 0 1 2 2 0 0 1 1 1 1 2 0 0 0 0 0 4 1 2 1 0 1 1 2 0 0 0 0 0 6 0 0 0 0 0 0 0 35
CLARITECH CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 6 4 8 3 3 2 0 0 1 0 0 0 0 0 35
FERRO CORPORATION 2 0 0 0 2 1 0 1 0 1 0 0 1 1 0 0 0 0 0 0 1 0 0 1 2 3 0 0 0 0 0 2 0 0 0 0 0 2 2 0 3 3 3 3 1 35
GENERAL MOTORS CORPORATION 0 1 0 1 0 0 0 1 1 0 1 2 0 0 1 0 0 0 0 1 1 1 0 6 5 2 1 2 2 0 2 1 0 1 0 0 0 0 1 0 0 1 0 0 0 35
INTEL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 7 4 1 1 0 2 1 0 2 1 4 0 1 0 1 2 2 0 0 4 35
JERROLD ELECTRONICS CORPORATION 6 6 3 3 3 1 1 3 2 1 1 0 2 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 35
MICROSOFT CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 3 8 6 3 6 2 1 1 4 35
MILLMASTER ONYX CORPORATION 6 1 4 3 1 0 5 5 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 35
SINCLAIR-KOPPERS COMPANY 7 5 9 5 8 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 35
UNIVERSITY OF DELAWARE 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 1 0 0 0 3 1 1 2 1 1 0 0 0 0 1 0 1 0 1 1 2 1 4 3 3 3 0 0 2 35
VALSPAR SOURCING, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 4 2 2 0 4 3 3 9 6 35
ADHESIVES RESEARCH, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 0 1 2 3 4 2 5 0 2 1 2 3 0 0 0 1 1 1 1 1 1 34
AMERICAN ELECTRONIC LABORATORIES, INC. 3 3 2 1 2 0 1 3 2 2 1 0 2 3 0 1 1 2 1 0 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 34
COMBUSTION UNLIMITED INCORPORATED 0 0 0 2 1 6 2 2 2 11 4 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 34
DREXELBROOK CONTROLS INC. 0 0 0 2 3 0 3 2 1 0 2 3 1 1 0 1 1 1 0 3 2 1 1 0 0 1 0 2 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 34
EASTMAN KODAK COMPANY 1 1 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 3 1 0 0 2 7 5 0 0 0 0 0 3 0 0 0 1 0 0 0 0 0 1 0 34
INTERNATIONAL COAL REFINING COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 1 0 9 3 13 4 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 34
MCKESSON AUTOMATION INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 2 6 0 1 1 3 6 2 10 34
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ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 6 6 7 3 1 0 2 2 6 34
SUNOCO, INC. (R&M) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 2 8 3 5 6 3 2 0 0 0 0 0 34
WEA MANUFACTURING INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 7 9 5 2 2 1 1 3 0 0 0 0 0 1 0 0 34
AMERICAN ANILINE PRODUCTS, INCORPORATED 6 4 1 2 1 8 7 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 33
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NEOSE TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 1 4 1 1 1 1 2 9 6 2 0 0 0 0 33
PEM MANAGEMENT, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 1 3 4 3 2 4 2 1 4 4 2 33
PROCTER + GAMBLE COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 1 2 1 0 1 2 1 0 0 2 1 0 0 0 0 1 3 4 2 1 3 2 1 1 1 0 33
SAMSUNG ELECTRONICS CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 4 8 5 3 1 2 3 0 0 0 0 0 0 1 0 0 0 0 2 33
SCHICK INCORPORATED 2 1 3 0 7 8 7 3 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 33
UNIVERSAL DISPLAY CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 2 3 1 1 1 1 0 5 6 8 33
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BORDEN, INC. 6 7 2 6 4 1 0 0 1 0 0 0 0 1 0 0 0 0 0 0 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32
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KERR GLASS MANUFACTURING CORPORATION 0 1 3 2 3 1 3 1 2 1 1 0 3 0 1 1 3 5 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32
RG DELAWARE, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 1 1 2 1 1 4 3 0 1 4 6 2 2 32
WORTHINGTON ARMSTRONG VENTURE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 1 4 1 1 3 0 3 6 2 2 6 32
INDSPEC CHEMICAL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 3 6 1 1 1 0 0 0 0 2 0 1 2 4 0 1 1 1 1 0 2 0 0 0 31
J. T. BAKER CHEMICAL CO. 4 0 0 2 1 0 0 2 3 2 1 2 1 0 5 5 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 31
JOHNSON MATTHEY PUBLIC LIMITED COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 2 2 2 0 1 0 1 3 2 1 0 0 1 0 2 1 5 6 31
KEROTEST MANUFACTURING CORP. 4 1 0 0 1 1 0 1 0 0 1 1 0 2 2 5 6 0 0 0 0 0 1 2 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 31
MONELL CHEMICAL SENSES CENTER 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 2 0 2 1 4 2 0 0 0 0 1 1 0 1 0 0 0 0 1 0 0 1 0 0 3 2 2 2 2 31
PERFORMANCE INDUSTRIES, INC. 0 0 0 0 0 0 3 0 3 0 2 4 1 0 4 2 2 1 1 0 2 3 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 31
PHILADELPHIA, HEALTH AND EDUCATION CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 2 0 0 0 3 5 3 8 6 31
RED VALVE CO., INC. 0 0 0 0 0 0 0 0 0 0 1 0 2 1 1 0 3 3 0 1 0 1 0 0 1 1 0 0 1 2 1 1 1 4 2 1 2 1 0 0 0 0 0 0 0 31
SNAP-TITE TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 7 10 1 3 0 3 2 1 1 0 1 1 0 0 0 31
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ALLEN ORGAN COMPANY 2 0 1 0 1 1 1 1 0 1 3 3 1 4 3 2 1 0 1 0 0 1 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 30
CRANE CO. 2 2 2 1 3 0 1 1 0 0 0 1 2 2 0 2 0 3 0 0 0 0 4 0 1 0 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 30
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FORE SYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 1 4 10 6 4 0 0 0 0 0 0 0 0 0 0 0 0 30
FOTO-WEAR, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 5 4 5 4 2 3 3 2 0 0 0 0 0 0 30
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HARSCO CORPORATION 0 0 0 1 1 0 0 0 1 1 1 2 1 1 2 0 5 1 6 3 1 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 30
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THOMAS + BETTS CORPORATION 2 3 2 6 4 0 0 0 0 0 0 0 0 0 1 0 0 0 3 0 1 3 2 1 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 30
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WESTON INSTRUMENTS INC. 9 8 2 3 1 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 30
AIR-SHIELDS, INC. 1 3 0 1 0 1 0 0 0 0 0 0 3 1 1 2 1 0 0 0 1 0 0 3 3 4 0 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 29
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HERSHEY FOODS CORPORATION 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 1 2 3 2 0 1 0 2 2 0 1 2 3 3 0 0 0 0 1 2 0 0 0 0 0 0 0 1 0 29
IMMUNIVEST CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 4 2 3 4 1 2 5 1 1 2 0 1 0 0 0 0 0 29
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ST. JOE MINERALS CORPORATION 3 8 4 1 1 3 1 2 1 1 0 0 0 0 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 28
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COLGATE-PALMOLIVE COMPANY 0 1 0 0 0 2 1 1 0 0 0 0 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 6 4 0 4 0 0 0 0 0 0 0 0 0 1 0 25
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BELL & HOWELL PHILLIPSBURG COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 8 4 1 2 0 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 24
CATERPILLAR INC. 0 0 0 0 0 1 1 1 3 1 0 0 2 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 6 1 1 2 0 0 0 0 0 1 0 0 0 0 0 1 0 24
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STEIN SEAL COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 4 0 0 0 0 0 0 0 1 0 0 0 0 0 1 5 4 7 24
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CHILDREN'S MEDICAL CENTER CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 1 1 1 2 1 1 3 3 1 2 0 0 1 1 0 22
CONGOLEUM CORPORATION 0 0 0 0 0 0 0 0 1 3 1 0 1 3 0 1 1 0 0 0 0 0 0 0 0 1 0 1 0 4 0 1 1 1 0 1 1 0 0 0 0 0 0 0 0 22
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HAUCK MANUFACTURING COMPANY 0 0 3 0 0 2 0 0 0 0 0 0 0 1 1 2 1 0 0 0 0 0 0 1 2 0 0 1 1 0 1 0 2 1 0 0 0 0 0 0 0 0 0 1 1 21
HENNESSY PRODUCTS INCORPORATED 2 1 1 3 1 4 1 1 1 1 0 1 0 0 2 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21
INDUSTRIAL SCIENTIFIC CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 3 2 5 1 1 1 3 2 0 0 0 0 0 0 21
LECTROMELT CORPORATION 0 1 0 1 1 0 2 2 0 1 3 0 2 3 1 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21
MARTIN-MARIETTA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7 6 6 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21
METROPOLITAN WIRE CORPORATION 0 1 0 0 0 0 1 1 3 2 0 1 1 1 2 2 2 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21
MG INDUSTRIES 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5 5 2 0 3 0 1 1 1 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 21
NETWORK APPLIANCE, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5 7 5 1 2 0 21
OWENS-ILLINOIS INC. 2 1 3 3 2 1 1 2 0 5 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21
PHOTON-X, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 7 4 6 1 0 0 0 0 0 0 0 21
RHODIA INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 4 5 2 1 1 1 0 0 1 0 1 1 1 0 0 21
ROLLER BEARING COMPANY OF AMERICA 2 0 7 1 2 0 0 1 0 3 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 21
SIEMENS CORPORATE RESEARCH, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 0 1 0 1 1 4 5 2 1 2 0 0 1 0 21
THOMAS & BETTS INTERNATIONAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 1 4 1 1 2 2 5 0 1 0 21
AIRWAY INDUSTRIES, INC. 0 0 0 0 1 0 1 1 1 3 1 1 1 2 0 0 0 0 1 2 1 1 0 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 20
AMERICAN TECH MANUFACTURING CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 4 3 1 0 3 2 0 0 1 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 20
ARCO MEDICAL PRODUCTS COMPANY 0 0 0 0 0 0 2 4 8 1 0 4 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
AUTOMED TECHNOLOGIES INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 4 3 3 5 0 0 2 20
BLAW-KNOX FOUNDRY + MILL MACHINERY, INC. 0 0 1 5 0 0 4 1 4 2 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
CONTINENTAL-WIRT ELECTRONICS CORPORATION 1 0 0 0 1 2 0 2 0 1 0 0 0 1 3 3 2 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
DART INDUSTRIES INC. 2 1 1 1 3 1 2 1 5 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
ELTRA CORPORATION 0 0 0 2 2 3 2 2 0 1 1 2 1 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
EMHART INDUSTRIES, INC. 0 1 1 0 4 1 0 0 2 0 0 0 0 0 3 2 0 1 0 2 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
ERICSSON AB 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 7 5 3 2 1 0 0 20
GENAERA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 4 2 2 2 3 3 1 2 0 0 0 20
GENERAL REFRACTORIES COMPANY 0 1 0 1 0 0 1 2 2 3 2 1 2 0 1 2 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
HOEGANAES CORPORATION 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 3 1 5 1 1 0 2 0 0 0 2 0 0 0 0 0 0 0 0 0 20
ITT MANUFACTURING ENTERPRISES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 1 1 1 4 2 4 2 0 0 0 0 0 20
JOHNS HOPKINS UNIVERSITY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 2 0 0 1 2 2 0 1 2 1 4 1 1 0 20
JOY TECHNOLOGIES INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 3 4 7 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
K-D MANUFACTURING COMPANY 0 2 3 6 2 1 1 0 1 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
NEVILLE CHEMICAL COMPANY 4 2 3 0 0 1 2 1 2 0 0 3 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
NEW PIG CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 1 3 2 2 0 1 0 1 1 0 0 0 1 0 0 1 3 1 20
PLEXTRONICS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 2 6 8 20
PRECISION THERAPEUTICS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 3 1 0 1 3 4 3 3 0 20
ROBICON CORPORATION 0 0 2 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 3 5 3 0 1 0 0 0 0 0 0 0 0 0 20
STRETCH DEVICES, INC. 0 0 0 0 0 0 2 0 0 0 0 0 0 2 0 2 1 0 0 0 0 0 0 2 0 0 2 2 2 3 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 20
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 0 3 2 1 2 1 0 0 0 3 3 0 0 1 1 20
VEROSOL USA INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 7 1 1 4 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
A-LOK PRODUCTS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 4 1 4 0 3 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 19
AMERICAN METER COMPANY 1 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 2 2 1 0 0 0 0 0 0 0 1 0 3 1 0 0 0 1 0 0 0 0 0 0 0 0 0 19
ARROW INTERNATIONAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 1 0 2 1 0 1 0 1 1 1 2 19
BACHARACH, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 2 0 1 3 0 0 3 0 0 0 1 1 2 1 1 0 0 0 0 0 0 0 0 0 0 0 19
BENTLEY-HARRIS MANUFACTURING COMPANY 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 4 3 1 0 3 2 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
BULK CHEMICALS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 4 2 0 0 0 2 0 0 0 0 0 1 2 1 4 19
CARDIAC PACEMAKERS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 9 3 5 19
CHEVRON RESEARCH & TECHNOLOGY CO. 1 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 4 3 1 1 5 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
COLUMBIA INSURANCE COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 0 3 1 2 4 2 2 0 2 0 19
COOK PACEMAKER CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 4 1 3 2 0 3 3 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 19
CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 5 2 1 2 1 1 1 0 4 19
DANIELI UNITED, A DIVISION OF DANIELI CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 2 2 5 4 0 0 0 0 0 0 0 0 0 0 0 0 0 19
ECOLAIRE INCORPORATED 0 0 0 0 0 1 0 0 3 2 1 4 2 2 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
ELECTRO-PETROLEUM INC. MESNE 0 0 0 0 0 2 2 0 0 0 0 0 0 0 3 3 2 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 0 0 2 0 0 2 0 0 0 0 0 19
EXIDE CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 0 0 1 0 0 0 0 3 0 3 1 1 1 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
FIRESTONE TIRE & RUBBER CO. 2 1 2 3 1 1 3 2 0 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
FOSTER WHEELER ENERGY INTERNATIONAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 0 0 0 1 0 0 0 1 4 0 1 1 0 0 0 0 1 1 3 0 0 1 0 0 0 0 0 0 19
GE BETZ, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 6 3 2 2 1 4 0 0 0 0 0 19
GREAT CANADIAN OIL SANDS LIMITED 1 7 3 0 1 0 2 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
HOFFMANN-LA ROCHE INC. 1 1 4 0 3 4 0 2 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
HORIX MANUFACTURING COMPANY 1 0 0 1 3 3 1 3 0 2 1 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
INTERNATIONAL MOBILE MACHINES CORP. 0 0 0 0 0 3 1 1 2 2 0 1 2 0 0 2 0 0 0 1 0 3 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
KAWECKI BERYLCO INDUSTRIES, INC. 4 1 3 1 2 1 0 2 3 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
LATROBE STEEL COMPANY 0 1 0 4 2 2 0 1 0 1 3 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 19
MANNINGTON MILLS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 2 3 0 1 2 2 0 2 3 0 0 19
MILTON ROY COMPANY 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 2 1 0 0 0 2 0 2 1 0 0 0 0 0 0 4 3 0 0 0 0 0 0 0 0 0 0 0 1 19
OCCIDENTAL CHEMICAL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 3 5 1 0 0 1 1 0 0 0 0 0 0 1 2 2 0 0 0 0 0 0 0 0 0 0 19
PERIPHERAL DYNAMICS INC. 0 0 0 2 0 0 1 1 1 3 1 1 2 0 0 0 1 0 0 0 0 2 0 0 0 0 0 0 2 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 19
PHILLIPS PETROLEUM COMPANY 2 2 1 0 5 2 1 0 0 0 0 0 1 0 0 0 0 0 0 2 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
PRO-TECH INC. 0 0 0 0 5 2 5 3 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
SCM CORPORATION 0 1 0 0 1 0 1 1 1 1 0 2 2 5 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
SKF INDUSTRIES, INC. 7 2 1 2 1 2 0 1 0 0 1 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
STAR DENTAL MANUFACTURING CO., INC. 0 4 1 1 0 0 2 3 5 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
STRICK CORPORATION 4 0 2 0 0 0 0 2 0 1 0 2 1 2 0 1 0 0 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 19
TECHNITROL, INC. 0 0 1 2 1 0 1 0 0 0 0 1 1 0 1 0 1 0 2 1 0 0 3 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
TIPPINS MACHINERY COMPANY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 6 7 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
TURBO MACHINE COMPANY 4 3 7 1 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
U.S. FILTER CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 2 3 1 2 3 1 5 0 0 0 0 0 0 0 19
VISHAY INTERTECHNOLOGY, INC. 2 0 3 0 1 1 1 0 0 0 1 0 1 1 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 0 1 0 0 0 0 0 0 0 0 19
ZENECA LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 6 2 2 3 0 0 1 0 0 0 0 0 0 0 0 0 19
ARKEMA FRANCE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 4 0 3 5 3 18
BIO/DATA CORPORATION 0 0 0 3 1 1 0 0 0 0 1 0 0 0 0 0 0 0 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 2 2 0 0 0 0 0 18
BOEHRINGER TECHNOLOGIES, L.P. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 3 8 3 0 18
BRENTWOOD INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0 1 0 0 0 0 0 1 0 2 0 3 1 0 0 2 4 1 0 0 18
CLEAVELAND/PRICE ENTERPRISES, INC. 0 0 0 0 0 0 0 0 0 0 0 1 0 3 1 0 0 0 0 0 0 0 2 0 0 2 0 0 0 0 0 1 0 1 0 2 0 4 0 0 0 0 0 0 1 18
CONAIR, INC. 0 0 0 1 0 0 1 1 0 1 1 2 0 2 2 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18
EPIC METALS CORPORATION 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 0 2 0 1 1 2 1 1 0 0 1 18
EXXONMOBIL CHEMICAL PATENTS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 1 0 3 1 0 2 3 2 3 18
GAS RESEARCH INSTITUTE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 7 1 2 0 3 0 1 0 1 0 0 0 0 0 0 0 0 0 0 18
INTREXON CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 3 3 2 3 3 18
JADE CORPORATION 2