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Columbia Gas of Virginia Inc is a Richmond, VA-based company in the Energy and Utilities sector.
Empire Natural Gas Corp is a Greene, NY-based company in the Energy and Utilities sector.
Economic Development is a Emmetsburg, IA-based company in the Energy & Utilities sector.
SGC Engineering is a Orono, ME-based company in the Energy and Utilities sector.
MidAmerican Energy Holdings Company is a global leader in the production of energy from diversified fuel sources including geothermal, natural gas, hydroelectric, nuclear, coal and wind. MidAmerican also leads in the supply and distribution of energy in the U.S. and U.K. consumer markets, with approximately 6.9 million electricity and gas customers.