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Copano Energy, L.L.C. is an energy company engaged in the business of providing midstream services to natural gas producers, including natural gas gathering, compression, dehydration, treating, transportation, processing, conditioning and fractionation
Basic Energy Services offers a diverse number of services to oil drilling and natural gas producing companies in the U.S.
Production Enhancement Group, Inc., a Houston-based energy services company incorporated in Alberta, Canada, rades on the TSX under the symbol WIS.
Army Trail Shell is a Bloomingdale, IL-based company in the Energy & Utilities sector.