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Petroleum Helicopters International, Inc., is an American commercial helicopter operator, founded in 1949, by Robert L.
ExxonMobil is a multinational oil and gas corporation engaged in the exploration, production, transportation, and sale of crude oil and natural gas, as well as the manufacture and sale of petroleum products and petrochemicals.
Walter Oil and Gas Corporation is a Houston, TX-based company in the Energy and Utilities sector.
John Thompson Enterprises Inc is a Watonga, OK-based company in the Energy and Utilities sector.
Arizona Ram Jack is a Phoenix, AZ-based company in the Energy and Utilities sector.