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Pettit Oil Company is a Tacoma, WA-based company in the Energy and Utilities sector.
Perpetual Energy Inc. is a Calgary, AB-based company in the Energy & Utilities sector.
Weatherford International is a Kingwood, TX-based company in the Energy and Utilities sector.
Mansfield Oil Company is one of the leading companies in the Energy & Utilities sector.
Phoenix Drilling Inc is a Buckhannon, WV-based company in the Energy and Utilities sector.