| Name | Title | Contact Details |
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Cass City Oil is a Cass City, MI-based company in the Energy and Utilities sector.
Schlumberger Limited is an oilfield services company. Schlumberger employees represent more than 140 nationalities working in more than 120 countries.
Frontier El Dorado Refining Company is a El Dorado, KS-based company in the Energy and Utilities sector.
Advanced Mineral Tech Inc is a Marina Del Rey, CA-based company in the Energy and Utilities sector.
Kiffmeyer Inc is a Minneapolis, MN-based company in the Energy and Utilities sector.