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Energy Fluids Inc is a Oklahoma City, OK-based company in the Energy and Utilities sector.
Diversified Drilling is a Missoula, MT-based company in the Energy and Utilities sector.
Southwestern Energy (also known as SWN, NYSE: SWN) is an oil and natural gas company based in Houston. Texas. Its primary current activity is, according to the company, "current operations being principally focused on development of the unconventional gas reservoir located on the Arkansas side of the Arkoma Basin"
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.