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Capricorn Energy PLC is an independent, UK-based oil and gas exploration and production company.
Don Small and Sons Oil Dist Co is a Auburn, WA-based company in the Energy and Utilities sector.
Tauber Oil Company is a Houston, TX-based company in the Energy and Utilities sector.
Innospec Inc., formerly known as Octel Corporation and Associated Octel Company, Ltd.,
Hiland Partners, LP (Hiland Partners) is a midstream energy partnership engaged in purchasing, gathering, compressing, dehydrating, treating, processing and marketing of natural gas and the fractionating, or separating, and marketing of natural gas