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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
Determan Brownie, Inc. is a Minneapolis, MN-based company in the Energy & Utilities sector.
PetroLegacy Energy is an exploration and production company based in Austin, Texas.
Shell Martinez Refinery is a Martinez, CA-based company in the Energy and Utilities sector.