Semco Energy, Inc.

Alaska and Michigan have more in common than a cold climate. SEMCO ENERGY serves approximately 423,000 natural gas consumers in both states. The company's main subsidiary is utility SEMCO ENERGY Gas, which distributes gas to more than 290,000 customers in 24 Michigan counties. SEMCO's ENSTAR Natural Gas unit distributes gas to more than 133,000 customers in and around Anchorage, Alaska. The company's unregulated operations include propane distribution in Michigan and Wisconsin; pipeline and storage facility operation; and information technology outsourcing. In 2012 SEMCO ENERGY was acquired by AltaGas. Company United States 1411 3rd St Ste A ken.hall@semcoenergy.com http://www.semcoenergygas.com