| 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
Tri City Services Inc is a Lafayette, LA-based company in the Energy and Utilities sector.
Marathon Oil Corporation (NYSE: MRO) is an integrated international energy company engaged in exploration and production, oil sands mining, integrated gas, and refining, marketing and transportation.
gas measurement services inc is a Mcallen, TX-based company in the Energy and Utilities sector.
Spectrum Geo is a Houston, TX-based company in the Energy and Utilities sector.