Jeffrey K. Bowers

Horizon Drilling, Inc. engages in drilling activities. Its projects include drilling rig fleets in the WCSB. The company was founded in 2004 and is headquartered in Calgary, Canada.

Part of Calfrac Well Services Ltd., Frac Source, Inc. provides oilfield stimulation services. The private company is based in Calgary, Canada. The Canadian company was founded by Marty Stromquist. Frac Source was acquired by Century Oilfield Services, Inc. on October 03, 2008.

Computalog Ltd. provides open hole logging services and equipment. The company is headquartered in Calgary, Canada.

Precision Energy Services provides oil-drilling services. It also provides wire line logging and completion services, fracturing and well stimulation, polycrystalline diamond compact drill bits, mechanical services and well abandonment services. The company is located in Calgary, Canada.

Nowsco Well Service Ltd. provides products and equipment to the oil and gas industry. Its services include pipelines and plant commissioning. The company has offices in Canada, United States, United Kingdom, Europe, North Africa, Middle East, Asia, Russia and Argentina. Nowsco Well Service was founded in 1962 and is headquartered in Calgary, Canada.