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

Extended Year Set - Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2012 Utility Patent Grants,
By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification

- Explanation of Data -

Rank Ordered Listing of Organizations Receiving 5 or More Utility Patents During the Period
Having Primary Classification In

Class 175, Boring or Penetrating the Earth

( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent ownership is determined by the first-named assignee listed on a patent )

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 Total
~INDIVIDUALLY OWNED PATENT 61 34 48 54 38 51 37 29 35 57 30 46 50 29 52 54 51 41 35 40 50 50 52 52 36 44 46 45 29 53 45 42 49 39 37 33 33 34 53 47 58 67 37 50 1953
BAKER HUGHES INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 2 14 13 11 22 11 19 14 17 32 32 43 29 27 15 13 26 22 20 35 55 70 62 609
SMITH INTERNATIONAL INC. 0 1 4 6 3 8 2 7 7 17 11 19 28 5 7 9 9 8 7 5 8 4 8 7 1 16 10 9 8 9 10 10 26 25 38 27 12 25 23 40 21 50 36 20 606
SCHLUMBERGER TECHNOLOGY CORPORATION 9 11 4 7 2 1 4 4 1 0 0 3 0 0 1 0 4 1 4 1 3 2 3 3 1 5 4 5 4 2 2 7 6 15 7 9 6 12 11 12 10 32 48 37 303
HALLIBURTON ENERGY SERVICES, 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 3 5 19 22 15 17 19 27 16 19 17 7 17 18 223
DRESSER INDUSTRIES, INC. 2 0 6 10 12 8 5 12 8 1 9 10 13 2 5 6 6 4 4 4 3 1 7 2 3 2 8 7 5 12 6 10 10 2 0 0 0 0 0 0 0 0 0 0 205
SHELL OIL COMPANY 6 4 4 3 9 3 2 0 0 1 1 0 1 2 0 2 2 3 2 2 6 2 2 4 0 1 0 1 0 2 1 1 2 1 2 4 3 6 10 11 5 3 1 6 121
WEATHERFORD/LAMB, 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 0 1 1 2 1 3 6 4 4 13 22 11 4 1 8 5 6 93
HUGHES TOOL COMPANY 5 2 0 1 3 2 4 5 1 2 0 2 5 4 7 3 7 9 12 7 2 6 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 92
HILTI AKTIENGESELLSCHAFT 0 0 0 2 0 0 0 0 1 0 1 1 0 0 3 4 1 0 0 1 0 4 2 2 1 0 1 4 2 4 0 5 3 4 13 4 3 3 3 0 8 1 1 3 85
SANDVIK AKTIEBOLAG 0 0 0 0 1 0 0 0 2 0 0 4 9 0 2 0 1 0 0 1 0 1 1 1 1 4 2 2 1 3 12 13 7 3 3 1 3 0 0 0 0 0 0 0 78
INGERSOLL-RAND COMPANY 4 3 3 1 2 3 2 2 2 1 0 0 0 0 1 1 2 1 1 2 3 2 2 4 3 1 3 4 3 4 0 1 2 1 0 2 0 0 0 0 0 0 0 0 66
CHARLES MACHINE WORKS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 1 2 3 2 2 2 1 3 1 2 5 0 2 5 2 6 4 9 4 2 2 2 65
VERMEER MANUFACTURING COMPANY, 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 4 3 2 5 13 8 5 4 3 3 1 2 5 2 4 65
KENNAMETAL INC. 0 2 1 1 2 4 4 1 0 1 0 0 0 3 0 0 2 1 1 1 2 1 0 3 2 3 3 0 0 3 3 3 2 0 2 1 4 0 3 0 1 1 3 0 64
ATLANTIC RICHFIELD COMPANY 1 1 3 5 5 4 0 0 0 0 0 0 0 1 1 2 2 2 6 3 0 2 1 4 5 3 3 0 0 1 1 0 2 0 0 0 0 0 0 0 0 0 0 0 58
U.S. SYNTHETIC 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 3 1 2 0 0 0 0 0 0 0 8 8 16 12 51
CONOCO, INC. 1 1 0 0 3 3 5 4 1 1 1 1 3 0 3 3 1 0 1 2 2 2 3 0 5 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 49
EXXON PRODUCTION RESEARCH COMPANY 1 7 3 6 3 2 1 2 1 2 1 1 2 0 0 2 2 1 2 2 0 1 0 1 0 2 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 47
INSTITUT FRANCAIS DU PETROLE 2 1 1 1 3 1 1 0 0 0 0 3 3 1 1 0 0 0 0 1 3 1 2 1 3 4 3 1 1 1 0 2 1 0 0 0 0 1 1 0 0 0 0 0 44
MOBIL OIL CORP. 5 4 2 1 2 1 0 0 0 0 1 1 1 2 4 7 1 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 43
REED TOOL COMPANY 0 2 0 3 4 2 2 2 4 1 0 1 3 0 0 0 1 4 3 2 5 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 42
HALLIBURTON CO. 0 0 0 1 0 0 1 0 2 0 1 0 0 1 0 1 3 3 6 0 1 1 1 3 2 4 1 2 4 2 0 0 0 0 0 0 0 1 0 0 0 0 0 0 41
CAMCO DRILLING GROUP LTD. 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 1 2 5 13 9 2 2 0 0 0 0 0 0 0 0 0 0 0 0 40
AMOCO CORPORATION 0 0 0 0 0 0 0 0 1 2 2 1 2 1 2 2 0 0 3 1 5 5 4 1 2 1 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 39
CAMCO INTERNATIONAL INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 2 0 3 4 1 4 4 5 4 3 1 0 0 0 0 0 0 0 0 0 0 35
BAKER INTERNATIONAL CORP. 0 0 3 4 3 4 1 0 1 1 0 0 1 0 1 3 4 3 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 34
M-I 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 3 2 5 3 1 3 1 3 1 2 1 4 2 3 34
VARCO I/P, 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 2 3 4 6 5 5 5 2 1 0 34
CHRISTENSEN, INC. 0 0 0 0 0 0 0 0 1 3 0 4 6 6 1 6 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 33
CAMCO INTERNATIONAL (UK) 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 5 18 2 7 0 0 0 0 0 0 0 0 0 0 32
LONGYEAR TM, 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 1 5 17 7 30
WESTERN WELL TOOL, 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 2 7 0 4 2 4 3 3 3 1 0 0 30
HAWERA PROBST GMBH & CO. 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 1 0 1 3 2 3 5 1 0 0 0 1 1 0 1 0 0 3 1 0 1 2 0 0 0 0 0 0 0 29
NORTON CHRISTENSEN, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 12 11 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 28
EASTMAN CHRISTENSEN CO. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 5 9 5 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 27
BAROID TECHNOLOGY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 2 1 6 3 4 1 1 0 2 0 0 0 0 1 0 0 0 0 0 0 0 26
SANDVIK INTELLECTUAL PROPERTY 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 1 3 6 4 2 2 2 5 25
ATLAS COPCO AB 0 1 1 2 1 1 4 5 0 1 0 2 0 1 2 0 0 0 1 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 23
TESCO 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 1 0 0 1 0 4 0 2 5 4 2 4 23
MERLIN 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 0 0 0 0 2 0 4 2 5 1 2 2 3 1 22
NL INDUSTRIES INC. 0 1 1 0 1 0 0 0 1 0 0 0 1 1 0 1 4 2 6 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 22
GULF RESEARCH AND DEVELOPMENT COMPANY 5 5 3 2 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 0 0 0 0 0 0 0 21
CDX GAS, 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 2 7 1 3 4 3 0 0 0 0 0 20
EARTH TOOL COMPANY, 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 1 0 0 1 1 0 1 5 5 4 1 0 0 0 0 0 0 0 1 20
REED ROCK BIT COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 1 8 3 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 20
TRACTO-TECHNIK PAUL SCHMIDT SPEZIALMASCHINEN KG 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 0 2 1 5 3 2 3 1 0 0 0 0 0 1 0 0 0 20
STRATA BIT CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 4 2 3 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 18
TEXACO INC. 0 0 2 2 1 5 1 0 0 0 0 1 0 0 0 0 0 1 2 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18
UNION OIL COMPANY OF CALIFORNIA 0 0 0 0 0 0 0 0 0 2 1 0 1 0 0 0 0 0 0 0 1 0 2 0 2 6 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18
ATLAS COPCO ROCK DRILLS 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 1 0 0 0 0 0 1 0 5 7 2 16
GENERAL ELECTRIC COMPANY 3 0 0 0 1 0 0 0 0 2 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 1 1 0 0 0 0 0 0 0 1 0 0 1 16
UNITED STATES OF AMERICA, NAVY 2 1 1 3 0 2 1 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 16
BAUER MASCHINEN GMBH 0 0 0 0 0 0 0 0 0 0 0 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 4 1 3 2 3 0 15
CHRISTENSEN DIAMOND PRODUCTS COMPANY 3 1 3 0 4 1 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 0 0 15
GAS RESEARCH INSTITUTE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 3 4 0 0 0 0 0 0 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 15
MAURER ENGINEERING INC. 0 0 0 0 0 0 0 0 0 4 0 2 1 1 1 0 0 1 1 0 1 0 2 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 15
NATIONAL-OILWELL VARCO, 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 0 0 3 4 6 2 15
NL PETROLEUM PRODUCTS LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 6 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 15
PHILLIPS PETROLEUM COMPANY 0 0 1 0 1 1 1 0 1 0 1 0 0 0 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 1 4 0 0 0 0 0 0 0 0 0 0 0 15
SANTRADE LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 1 4 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 15
SUN OIL COMPANY OF PENNSYLVANIA 0 2 3 2 1 1 3 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 0 0 0 0 0 0 0 0 0 14
CAMPAGNIE FRANCAISE DES PETROLES, SOCIETE ANONYME 0 0 0 4 1 1 2 2 0 0 0 2 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 13
DAILEY PETROLEUM SERVICES CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 0 0 1 0 0 2 0 0 0 0 2 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 13
SANDVIK ROCK TOOLS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 1 2 1 2 1 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 13
TRACTO-TECHNIK GMBH 0 0 0 0 0 0 0 0 0 0 0 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 3 2 2 0 0 3 1 13
APS 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 0 1 1 0 1 0 0 0 2 2 0 2 1 2 12
DIAMOND PRODUCTS 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 1 1 2 4 1 3 0 0 0 0 0 0 0 0 0 0 12
LONGYEAR COMPANY 0 0 0 0 0 1 1 1 0 0 0 0 2 0 0 0 0 0 0 0 3 0 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
NOBLE DRILLING SERVICES, 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 2 1 0 1 2 2 1 0 0 0 0 0 12
ROBBINS COMPANY 0 0 0 0 1 0 1 1 0 0 0 1 1 1 1 0 0 0 1 0 0 0 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 0 0 0 1 1 0 0 1 1 1 0 0 0 0 2 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 12
VAREL INTERNATIONAL IND., 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 0 0 0 3 1 8 12
WIRTH MASCHINEN-UND BOHRGERATE-FABRIK GMBH 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3 0 0 0 0 0 0 1 1 0 0 12
ABB VETCOGRAY 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 3 0 1 0 0 1 1 2 1 0 0 1 0 0 0 0 0 0 0 11
ANDERGAUGE 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 2 2 3 0 0 1 0 1 0 2 0 0 11
CHEVRON RESEARCH & TECHNOLOGY CO. 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 4 2 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 11
PDTI HOLDINGS, 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 3 5 3 11
REED TOOL COMPANY LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 4 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
ROCK BIT 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 1 2 0 1 0 0 0 0 0 2 1 0 1 2 1 0 0 0 0 0 0 11
SANDVIK MINING AND CONSTRUCTION OY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 2 4 11
ATLAS COPCO SECOROC 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 1 0 2 3 4 10
BOWEN TOOLS, INC. 0 0 3 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
DIGITAL CONTROL 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 1 4 1 3 1 0 0 0 0 0 0 0 0 0 10
ELECTRIC POWER RESEARCH INSTITUTE, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 3 1 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
HYDRIL COMPANY L.P. 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 1 0 0 0 0 0 0 0 10
NATIONAL-OILWELL, L.P. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 1 0 0 0 0 10
PATHFINDER ENERGY SERVICES, 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 0 2 3 4 0 0 0 0 10
RICHMOND MANUFACTURING COMPANY 0 0 2 1 0 1 0 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 0 0 0 0 0 0 0 0 10
SMF INTERNATIONAL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 0 0 0 0 0 0 0 0 0 1 0 1 0 1 1 0 1 0 0 0 0 0 10
TAMROCK OY 0 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 0 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 10
TERRA AG FUR TIEFBAUTECHNIK 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 2 1 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0 10
VAREL MANUFACTURING COMPANY 0 0 0 0 1 0 0 0 0 0 0 0 2 0 0 0 1 1 2 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 10
WESTERN ATLAS INTERNATIONAL, INC. 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 2 2 2 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 10
ATLAS COPCO CRAELIUS 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 2 1 2 0 0 0 2 1 0 0 0 0 0 1 0 9
DRILEX SYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 3 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
ENGINEERING ENTERPRISES, INC. 0 0 0 0 0 0 0 2 2 0 0 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 0 0 0 0 0 9
FANSTEEL INC. 0 0 0 0 0 1 0 0 0 1 1 3 0 0 0 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 9
J. H. FLETCHER & CO., 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 0 1 0 0 0 0 5 1 0 1 0 9
OY TAMPELLA AB 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 1 0 1 0 1 2 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
SANDVIK TAMROCK OY 0 0 0 0 0 0 0 0 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 2 0 1 1 1 0 0 0 0 0 9
VARCO INTERNATIONAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3 1 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 9
WALKER-NEER MFG. CO., INC. 0 2 0 1 0 0 0 0 1 1 1 0 1 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 9
WWT 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 0 0 0 0 0 0 0 0 0 0 2 5 2 9
CITIES SERVICE COMPANY 0 0 0 0 0 5 2 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 0 0 0 8
DEN NORSKE STATS OLJESELSKAP A.S. 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 0 0 3 0 0 0 1 1 0 0 0 0 0 0 0 0 8
DENNIS TOOL 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 2 4 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 8
FLOWMOLE CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
GLOBAL MARINE PERFORMANCE, INC. 1 1 2 2 0 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 0 0 0 0 0 0 0 0 0 0 8
INSTITUT GORNOGO DELA SIBIRSKOGO OIDELENIA AKADEMII NAUK SSS 0 0 0 2 1 0 0 0 0 0 2 0 0 0 1 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 8
PENGO CORPORATION 0 1 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 8
ROBERT BOSCH GMBH 0 0 0 0 0 0 0 0 0 1 1 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 2 0 1 1 0 8
UNIROC AKTIEBOLAG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 2 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 8
UNITED STATES OF AMERICA, DEPARTMENT OF THE INTERIOR 0 1 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 8
VETCO GRAY INC 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 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 1 0 0 8
"ALWAG" TUNNELAUSBAU GESELLSCHAFT M.B.H 0 0 0 0 0 0 0 0 0 0 0 0 0 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 0 0 1 0 7
AMERICAN COLDSET CORPORATION 0 0 2 0 0 1 1 0 0 0 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 7
BECOR WESTERN, INC. 0 0 0 0 4 0 0 1 0 0 0 0 0 0 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 7
BLACK & DECKER INC. 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 0 1 1 0 0 0 1 0 7
CANADIAN DOWNHOLE DRILL 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 0 0 1 1 0 0 2 1 1 1 0 0 0 0 0 0 0 0 0 7
CANRIG DRILLING TECHNOLOGY 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 1 0 0 0 0 0 0 0 0 0 3 1 2 7
EXXONMOBIL UPSTREAM RESEARCH 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 1 1 2 0 0 0 0 0 1 2 0 7
GARDNER-DENVER COMPANY 1 0 1 1 1 0 0 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 7
GTE LABORATORIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 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 7
INCO LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 0 0 0 0 1 1 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 7
OTIS ENGINEERING CORPORATION 0 0 0 0 0 0 0 0 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 0 0 0 0 0 0 0 0 0 0 7
SERVCO COMPANY, A DIVISION OF SMITH INTERNATIONAL, INC. 0 0 1 1 1 1 0 0 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 0 7
SOLETANCHE SOCIETE ANONYME 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
TONE BORING COMPANY LIMITED 0 1 0 0 3 0 0 1 0 0 0 0 0 0 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 7
TOTAL 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 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 7
TRI-STATE OIL TOOL INDUSTRIES, INC. 0 0 0 0 0 1 0 0 0 1 0 2 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 7
UNITED STATES OF AMERICA, ARMY 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 7
VAREL INTERNATIONAL, 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 0 0 1 5 1 0 0 0 0 0 0 7
VECTOR MAGNETICS 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 2 2 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 7
ANADRILL INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 6
AT&T CORP. 1 2 1 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 0 0 0 0 0 0 0 0 0 0 0 0 0 6
BOART LONGYEAR INTERNATIONAL 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 1 3 0 1 1 0 0 0 0 0 0 0 0 0 6
CARMET COMPANY 0 0 2 0 0 0 0 0 2 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 0 0 6
COMPAGNIE DU SOL 0 0 0 0 0 0 0 0 0 0 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 3 1 0 0 1 0 0 0 6
DHT TECHNOLOGIES, 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 3 3 0 0 0 0 0 0 0 0 0 0 0 6
DIAMANT BOART SOCIETE ANONYME 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 1 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 6
DIAMOND OIL WELL DRILLING COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 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 0 6
FISCHERWERKE ARTUR FISCHER GMBH & CO. KG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
FRANK'S CASING CREW & RENTAL TOOLS, 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 0 0 1 2 0 0 0 1 1 0 0 6
GAS TECHNOLOGY INSTITUTE 0 0 0 0 0 0 0 0 0 0 0 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 0 0 0 1 0 0 6
HARNISCHFEGER 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 0 0 1 3 1 1 0 0 0 0 0 0 0 0 0 6
INTELLISERV, 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 1 0 5 0 0 0 0 0 6
KABUSHIKI KAISHA MIYANAGA 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 0 0 0 0 0 0 0 1 0 1 0 1 1 0 1 0 6
MITSUBISHI MATERIALS CORPORATION 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 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 1 6
OMNI IP 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 0 0 0 0 0 0 0 0 4 1 1 6
OWEN OIL TOOLS, 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 3 0 0 1 0 0 0 0 0 0 0 0 0 0 0 6
SALEM TOOL COMPANY 0 0 0 0 1 0 2 1 0 0 0 0 1 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 6
SHELL OFFSHORE INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 1 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 6
SIMULPROBE 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 1 0 0 1 3 1 0 0 0 0 0 0 0 0 0 0 0 0 6
SMART STABILIZER SYSTEMS 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 1 0 0 0 0 0 0 1 1 1 1 1 6
SMITH INDUSTRIES INTERNATIONAL INC. 3 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 0 0 0 0 0 0 0 0 0 0 6
STANDARD OIL CORPORATION (INDIANA) 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 4 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 6
SUMITOMO METAL MINING COMPANY LIMITED 0 0 0 1 1 0 1 1 0 0 0 0 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 6
TDY 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 3 6
TELECO OILFIELD SERVICES INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
TETRA CORPORATION 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 1 0 0 0 0 0 0 0 0 1 3 0 0 0 6
TEXAS DYNAMATICS INC. 0 0 0 0 0 0 2 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 0 0 0 0 0 0 6
TIGRE TIERRA, INC. 0 0 0 0 0 1 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 0 0 0 0 0 0 0 6
UNDERGROUND TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
VECTOR MAGNETICS, 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 1 2 0 0 1 0 1 0 0 1 6
WESTERN ROCK BIT CO., LTD. 0 0 0 0 0 1 0 1 1 0 0 0 0 0 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 0 0 0 6
ASTEC 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 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 0 1 0 5
ATBALANCE AMERICAS 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 2 1 1 1 0 5
ATLAS COPCO SECOROC 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 1 1 2 0 1 0 0 5
BAUER SPEZIALTIEFBAU GMBH 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 2 0 2 0 0 0 0 0 0 0 0 0 0 0 5
BJ SERVICES 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 1 0 0 0 2 1 0 1 0 0 0 0 0 0 5
BOYLES BROS. DRILLING COMPANY 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 0 0 0 0 0 0 0 0 0 0 0 0 0 5
BYRON JACKSON INC. 1 1 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
CAMERON IRON WORKS, INC. 3 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 0 0 0 0 0 0 0 0 0 0 0 5
CHERRINGTON CORPORATION 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
CORPRO SYSTEMS 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 1 0 0 0 0 1 0 1 2 5
CUMMINS ENGINE CO., INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 5
DELMAG-MASCHINENFABRIK REINHOLD DORNFELD 0 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 1 1 0 0 0 0 0 0 0 0 0 0 0 5
EAGLE ROCK MANUFACTURING, 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 4 1 0 0 5
FMC CORPORATION 0 1 0 0 1 0 0 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 0 0 5
GEBRUDER BUHLER AG 0 2 0 0 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 0 0 0 0 0 5
HALLIBURTON LOGGING SERVICES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 5
HARD ROCK DRILLING & FABRICATION, 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 0 0 0 0 0 5 0 0 0 0 0 0 0 0 5
HOUSTON ENGINEERS, INC. 1 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 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 5
JAPAN NATIONAL OIL 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 1 0 2 1 0 0 0 0 0 0 0 0 5
JET RESEARCH CENTER, INC. 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 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 5
JOY MANUFACTURING COMPANY 0 0 0 0 0 1 0 1 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 0 0 0 0 0 0 0 0 0 0 0 5
LAWRENCE MANUFACTURING COMPANY 1 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 0 0 0 0 0 0 0 0 5
MARATHON OIL 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 2 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 5
METHANE DRAINAGE VENTURES 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 5
MINROC TECHNICAL PROMOTIONS LTD. 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 1 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 5
MOBILE DRILLING COMPANY INC. 0 0 0 1 0 1 1 0 0 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 5
NORTON COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
NUMA TOOL COMPANY 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 0 0 0 0 0 2 0 0 0 1 0 0 0 0 0 0 0 0 5
PARTICLE DRILLING 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 0 0 0 0 0 0 0 0 0 0 4 1 0 0 0 5
PATTON CONSULTING, INC. 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 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
PRECISION DRILLING TECHNOLOGY SERVICES GROUP 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 5 0 0 0 0 0 0 0 0 0 5
RAPIDEX, INC. 0 0 0 0 0 0 1 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 0 0 0 5
RATTLER TOOLS, 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 3 0 0 0 0 0 1 0 1 0 0 5
REEDHYCALOG, 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 2 2 0 0 0 0 0 5
SLIMDRIL INTERNATIONAL, INC. 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 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
SMART DRILLING AND COMPLETION, 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 1 0 1 0 2 0 0 0 0 0 0 0 5
STRATALOC TECHNOLOGY PRODUCTS, 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 2 0 1 0 1 1 0 5
TECHMO ENTWICKLUNGS-UND VERTRIEBS GMBH 0 0 0 0 0 0 0 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 1 1 0 0 0 0 0 0 0 5
TRACTO-TECHNIK GMBH & CO. KG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 5
TRW INC. 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 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 5
TT 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 0 0 0 0 0 0 0 0 1 1 2 0 1 0 0 5
TURMAG TURBO-MASCHINEN-AG NUSSE & GRAFER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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 0 5


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