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Headquartered in Tomball, Texas, BJ Services is the largest North American-focused, pure-play pressure pumping services provider. BJ Services provides hydraulic fracturing and cementing services to leading upstream oil and gas companies engaged in the exploration and production of North American oil and natural gas resources. We operate field locations serving all major North American oil and natural gas shale basins. Our shared culture is built by an unwavering pursuit for perfecting operational execution in the oilfield.
Berens Energy Ltd. is a Edmonton, AB-based company in the Energy & Utilities sector.
Sawyer Oil & Gas Company. is a Boca Raton, FL-based company in the Energy and Utilities sector.
KONGSBERG is an international, knowledge-based group that supplies high-technology systems and solutions to customers engaged in the oil and gas industry, the merchant marine, and the defence and aerospace industries.
Marathon Oil Corporation (NYSE: MRO) is an independent international exploration and production company. Based in Houston, Texas, Marathon Oil had net proved reserves at the end of 2011 of 1.8 billion barrels of oil equivalent in North America, Europe and Africa.