| Name | Title | Contact Details |
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Rock Energy Co. LLC is a Bakersfield, CA-based company in the Energy and Utilities sector.
Tesco Corporation is an oilfield services company specializing in the design, manufacture and service of technology-based solutions for the upstream energy industry.
Western Refining is a El Paso, TX-based company in the Energy and Utilities sector.
Aspen Integrated Oil and Gas is a Fort Worth, TX-based company in the Energy and Utilities sector.