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Rex Energy Operating Corp. is a State College, PA-based company in the Energy and Utilities sector.
It produces, refines and markets oil products and provides engineering services, as well as licensing production technologies.
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
Western Refining is a El Paso, TX-based company in the Energy and Utilities sector.
PGE utilizes technology such as seismic testing to identify oil and gas reserves. Vibration trucks send shock waves into the ground, as shown above. A recording truck is then used to capture their return to the surface, gathering information about