Exxon Mobil Corporation explores and produces crude oil and natural gas.
Chevron is an integrated energy and technology company.
Oceaneering is a global oilfield provider of engineered services and products primarily to the offshore oil and gas industry.
Total is a multinational integrated oil and gas company.
Baker Hughes is an international industrial and oil field service company.
Halliburton Company is a provider of products and services to the energy industry.
Range Resources Corporation (NYSE: RRC) is an independent natural gas exploration and production company. Recognized as the pioneer of the Marcellus Shale.
National Oilwell Varco is a company specializing in the design, manufacture and sale of equipment and components used in oil and gas drilling.
Loews Corporation provides commercial property and casualty insurance in the United States, Canada, the United Kingdom, Continental Europe, and Singapore.
EQT Corporation is an integrated energy company with emphasis on Appalachian area natural gas production, gathering, and transmission.
Pioneer Natural Resources is a large independent exploration and production company with operations in the United States.
SAExploration is an internationally-focused oilfield services company offering a full range of vertically-integrated seismic data acquisition and logistical support services.