Halliburton Company is an American multinational corporation, and one of the world's largest oil field services companies, with operations in more than 80 countries.
Koch Industries is an American multinational corporation based out of Wichita, Kansas. Koch companies are involved in industries such as the manufacturing, refining, and distribution of petroleum, chemicals, energy, fiber, intermediates and polymers, minerals, fertilizers, pulp and paper, chemical technology equipment, ranching, finance, commodities trading, and other ventures and investments. The firm employs about 60,000 people in the United States and another 40,000 in 59 other countries.
Black Warrior Electric Membership Corporation is an electrical cooperative in Alabama.
Total Petrochemicals & Refining USA, Inc., a subsidiary of Total SA, produces and markets petrochemical products. It is a major producer of polypropylene, polystyrene, styrene, base chemicals and polyethylene in the United States.
Consol Energy, Inc. is an energy company that produces natural gas and coal. Its natural gas operations include coal bed methane extraction and conventional and shale gas production. Consol's subsidiaries include CNX Ventures, CNX Land Resources, and CNX Gas.
Noble Energy, Inc., formerly Noble Affiliates, Inc. and a component of the S&P 500, engages in oil and natural gas exploration and production.
Chesapeake Energy, an American oil and natural gas company, is the second-largest natural gas producer in the US. Chesapeake Operating, Inc. is a subsidiary of Chesapeake Energy.
Dawson Geophysical Company is a Texas corporation that provides onshore seismic data acquisition and processing services in the United States and Canada. It acquires and processes 2-D, 3-D, and multi-component seismic data for its clients ranging from oil and gas companies to independent oil and gas operators, as well as the providers of multi-client data libraries.
Tesoro is a US refiner and marketer of petroluem products.
BP plc, formerly British Petroleum, is one of the seven "supermajor" oil and gas companies in the world. BP has numerous subsidiaries in the US, including BP America, Inc. and BP West Coast Products, formerly Arco, which operates and franchises stores that sells food, drinks, and treats.