SEMCO Energy Gas Co. Back to Search SEMCO Energy Gas Co. 712 Black River Dr , Holland , MI , 49424-9114 (616) 392-8060 (616) 392-8060 www.semcoenergy.com www.semcoenergy.com www.semcoenergy.com www.semcoenergy.com www.semcoenergy.com www.semcoenergy.com www.semcoenergy.com Contacts Primary Cindie Erwin (none) Share × Print Email Facebook LinkedIn Twitter Pinterest Powered By GrowthZone