AmeriVoice - CallNet: Provides flat rate statewide long distance service for selected cities in Ohio.
Columbia Gas of Ohio: Supplier of natural gas to more than 1,000 communities in Ohio. Includes customer center and gas choice program information.
Duke Energy: 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.
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.
Gasearch: Supplies natural gas to industrial and commercial customers in Ohio. Based in Youngstown.