- 2 – Adrian/Jackson – Hillsdale, Jackson, and Lenawee Counties
- 4 – Ann Arbor/Ypsilanti Area – Huron Valley Intergroup web site
- 6 – Lansing/St. Johns
- 8 – Livingston County
- 10 – Owosso/Durand Shiawassee County
- 12 – Flint & Genessee County
- 14 – Lapeer County
- 16 – Alma/Mt. Pleasant
- 18 – Saginaw
- 20 – Midland
- 22 – Bay County
- 24 – Thumb Area
- 26 – Gladwin
- 28 – Alpena