Economic Development go Results Found: 3 Button group with nested dropdown Great Lakes Bay Regional Alliance Great Lakes Bay Regional Alliance 122 Uptown Drive, Ste. 204 Bay City MI 48708 (989) 225-2053 Middle Michigan Development Corporati... Middle Michigan Development Corporation 200 E. Broadway Mt. Pleasant MI 48858 (989) 772-2858 Migizi Economic Development Company Migizi Economic Development Company 2410 S. Leaton Mt. Pleasant MI 48858 (989) 775-4221