- Cinergy Corp - Serves more than 1.4 million electric customers and 478,000 gas customers located in a 25,000 square mile service territory of the tri-state area.
www.cinergy.com
- Columbia Gas of Ohio - Supplier of natural gas to more than 1,000 communities in Ohio. Includes customer center and gas choice program information.
www.columbiagasohio.com
- FirstEnergy Solutions - A diversified energy services and facilities maintenance company offering customers electric and natural gas, plus a broad range of innovative energy and facility management solutions.
www.firstenergysolutions.com
- Gasearch - Supplies natural gas to industrial and commercial customers in Ohio. Based in Youngstown.
www.gasearch.net
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