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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"
Klabzuba Oil Gas is a Havre, MT-based company in the Energy & Utilities sector.
Choice Exploration is a Arlington, TX-based company in the Energy and Utilities sector.
Cimarex Energy Company is one of the leading companies in the Energy & Utilities sector.
Valaris plc is an offshore drilling contractor headquartered in London, United Kingdom.