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Gc Electric is a Las Vegas, NV-based company in the Energy and Utilities sector.
Constellation Energy Projects and Services Group is a Windsor Mill, MD-based company in the Energy and Utilities sector.
Columbia Gas Transmission Corporation is a Fairfax, VA-based company in the Energy and Utilities sector.
George-McKenna is a Irving, TX-based company in the Energy and Utilities sector.
Questar Corporation (Questar) is a Rockies-based integrated natural gas holding company. Questar operates through its wholly owned subsidiaries: Wexpro Company (Wexpro), Questar Pipeline Company (Questar Pipeline) and Questar Gas Company (Questar Gas). Wexpro develops and produces natural gas on behalf of Questar Gas. Questar Pipeline operates interstate natural gas pipelines and storage facilities in the western United States and provides other energy services.