| 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
Rally Engineering is a Edmonton, AB-based company in the Energy & Utilities sector.
William M. Cobb is a Dallas, TX-based company in the Energy and Utilities sector.
Balch Petroleum Contractors is a Milpitas, CA-based company in the Energy and Utilities sector.