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Chesapeak Energy is a Charleston, WV-based company in the Energy and Utilities sector.
O'Brien Industrial Holdings is a Saint Louis, MO-based company in the Energy and Utilities sector.
Crescent Directional Drilling is a Houston, TX-based company in the Energy and Utilities sector.
Royal Waste Services Inc is a Hollis, NY-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"