Arthur E. Dumont

Technicoil Corp. provides coil tubing and drilling services to the oil and gas industry. The company owns and operates a rig fleet in Canada and the United States. The company was founded in 1997 and is headquartered in Calgary, Canada.

Aveda Transportation & Energy Services, Inc. engages in the provision of transportation services for drilling exploration, development, and production of petroleum resources. Its rental operations include the rental of well-sites shacks, tanks, mats, pickers, light towers, and other equipment necessary for oilfield operations. The company was founded in 1994 and is headquartered in Calgary, Canada.

Fracmaster Ltd. is a Canadian company that produces and sells oil and gas. The company is based in Calgary, Canada and was founded in 1976.

Part of Precision Drilling Corp., CenAlta Energy Services, Inc. provides oil well servicing and maintenance services. The company is based in Calgary, Canada. The Canadian company was founded by John A. Niedermaier. CenAlta Energy Services was acquired by Precision Drilling Corp. on October 19, 2000 for $132.09 million.

Part of Baker Hughes Co., Western Rock Bit Co Ltd is a Canadian company that distributes drilling bits. Western Rock Bit Co was acquired by Baker Hughes Holdings LLC on March 03, 1998 for $30.80 million.