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Schlumberger Limited is an oilfield services company. Schlumberger employees represent more than 140 nationalities working in more than 120 countries.
McElvain Energy is a Denver, CO-based company in the Energy and Utilities sector.
F K G Oil Company is a Belleville, IL-based company in the Energy & Utilities sector.
Cottonwood Transporation is a Louisville, IL-based company in the Energy & Utilities sector.