| Name | Title | Contact Details |
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Penn Virginia Corporation is an independent oil and gas company primarily engaged in the development, exploration and production of natural gas and oil in various domestic onshore regions including East Texas, the Mid-Continent, Appalachia, Mississippi
Modec International is a Houston, TX-based company in the Energy and Utilities sector.
EnMark Services is a Dallas, TX-based company in the Energy and Utilities sector.
Chambers Oil Company is a Milledgeville, GA-based company in the Energy and Utilities sector.
Bergquist Inc is a Toledo, OH-based company in the Energy and Utilities sector.