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INTEGRATED ENERGY INC
Acquired by MCO Resources Corporation in 1984



TELECO OILFIELD SERVICES
Acquired by Baker Hughes in 1992 and combined with Eastman Christensen Division to create Eastman Teleco.



SENSE EDM AS
Changed name to TTS Sense AS in 2008



RIGDON MARINE LLC
Acquired by Gulfmark Offshore Inc. in May 2008.



SUPERIOR WELLHEAD HOLDINGS INC
Merged with Nautilus Marine Technologies Inc. and changed name to Azura Energy Systems Inc. in January 2006.



NAUTILUS MARINE TECHNOLOGIES INC
Merged with Superior Wellhead Holdings Inc. and changed name to Azura Energy Systems Inc. in January 2006.



GILMORE VALVE COMPANY
Acquired by Azura Energy Systems Inc. in early 2006.



ALLIANCE MARITIME TRAINING - RESULTS IN LEARNING
Acquired by Moody International in September 2007. See Randy Smith Training Solutions.



IPSCO INC
Svenskt Stal AB (SSAB) divested the IPSCO tubular businesses and related operations to Evraz Group SA and OAO TMK IN June 2008, see TMK IPSCO Inc in the US.



BOWEN TOOLS INC
Acquired by IRI International Corporation from L'Air Liquide in March 1997 for $75.1 million.



PONDER INDUSTRIES INC
Ponder's oil and gas well rehabilitation operations acquired by Titan Resources Inc. in March 1996 for $800,000.



TITAN RESOURCES INC
Acquired by PalmWorks Inc. in October 1999.



PALMWORKS INC
Changed name to Zydant Corporation in October 10, 2000.



FISHING TOOLS INC
Acquired by Ponder Industries Inc. in January 1998.



PANTHER OIL TOOLS
Acquired by Ponder Industries Inc. in May 1996.



BOSCO FISHING AND RENTAL TOOLS
Acquired by Ponder Industries Inc. in January 1997.



COOPER MANUFACTURING CORPORATION
Acquired by National Oilwell Varco in December 2003.



BECFIELD DRILLING SERVICES
Acquired by Precision Drilling Corporation in January 2001.



BELL PETROLEUM SERVICES INC
Acquired by Analog Services Inc in December 2001.



SOUTHERN WIRELINE SERVICE INC
Acquired by Gray Wireline Service Inc in September 2006.



MASTER WIRELINE SERVICES INC
Acquired by Gray Wireline Service Inc in June 2006.



PRO-LINE BUCKETS & GRAPPLES
Merged with Hawco Manufacturing Co LLC to form Anvil Attachments in December 2002.



HARRISBURG INC
Acquired by National Oilwell in 2000.



EISENMAN CHEMICAL
Acquired by Baker Hughes Inc. in 1998. See Baker Hughes Drilling Fluids.



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