SEMCO ENERGY Gas Company, headquartered in Port Huron, Michigan, is a regulated public utility that delivers natural gas to approximately 300,000 residential, commercial, and industrial customers in service territories in the southern half of the state's Lower Peninsula (including in and around the cities of Albion, Battle Creek, Holland, Niles, Port Huron, and Three Rivers) and in the central, eastern, and western parts of the state's Upper Peninsula.

SEMCO ENERGY Gas Company, headquartered in Port Huron, Michigan, is a regulated public utility that delivers natural gas to approximately 300,000 residential, commercial, and industrial customers in service territories in the southern half of the state's Lower Peninsula (including in and around the cities of Albion, Battle Creek, Holland, Niles, Port Huron, and Three Rivers) and in the central, eastern, and western parts of the state's Upper Peninsula.