| Greater Lansing Area Public Safety | Ingham | 435 |
| Detroit Police Dispatch | Wayne | 192 |
| Monroe County Sheriff, Monroe City Police, Fire and EMS Dispatch | Monroe | 134 |
| St. Clair County Police, Fire and EMS Simulcast | St. Clair | 110 |
| Jackson County Public Safety | Jackson | 106 |
| Downriver Public Safety | Wayne | 83 |
| Eastern Upper Peninsula Public Safety | Chippewa | 81 |
| Muskegon County Police Dispatch | Muskegon | 79 |
| Washtenaw County Metro Police & Fire | Washtenaw | 77 |
| Isabella County Police and Fire | Isabella | 74 |
| Wayne County Public Safety | Wayne | 71 |
| Kent County Fire and EMS | Kent | 56 |
| Livingston County Police, Fire and EMS | Livingston | 56 |
| Jackson County and Hillsdale County Public Safety | Hillsdale | 54 |
| Ottawa County Public Safety - Digital | Ottawa | 51 |
| St. Joseph County Sheriff, Police, Fire and EMS | St. Joseph | 49 |
| Delta County Law, Fire and EMS | Delta | 48 |
| North Central Michigan Counties Sheriff, Police, Fire, MSP, DNR and EMS | Alcona | 47 |
| Lenawee County Police and Fire | Jackson | 47 |
| Montcalm County Police & Fire | Montcalm | 39 |
| Detroit Fire | Wayne | 38 |
| Shiawassee County Police Dispatch | Shiawassee | 36 |
| Straits Area Public Safety | Charlevoix | 35 |
| Barry County Sheriff, Fire, and EMS | Barry | 34 |
| Warren Police and Fire, Center Line Public Safety | Macomb | 34 |
| Allegan County Police, Fire and EMS - Conventional / Digital | Allegan | 33 |
| Gratiot County Police and Fire | Gratiot | 31 |
| Otsego County Sheriff, Gaylord Police, MSP District 7 | Otsego | 29 |
| Houghton and Keweenaw Counties Police, Fire and EMS | Houghton | 25 |
| Kalamazoo County Fire and MSP District 5 | Kalamazoo | 24 |
| Traverse City and Grand Traverse County District 7 MSP Digital Fire / Police | Grand Traverse | 20 |
| Hillsdale County Public Safety | Hillsdale | 19 |
| Traverse Bay Area Public Safety | Grand Traverse | 18 |
| Detroit Police and Fire | Wayne | 18 |
| Berrien County Met North Public Safety | Berrien | 17 |
| Genesee County EMS | Genesee | 16 |
| Muskegon County Police, Fire, and EMS | Muskegon | 16 |
| Huron County Fire and EMS | Huron | 15 |
| Gogebic County Fire and EMS | Gogebic | 13 |
| Shiawassee County Fire and EMS Dispatch | Shiawassee | 13 |
| Clare County Police and Fire | Clare | 12 |
| Emmet County Police Dispatch | Emmet | 11 |
| Ingham Out-County Fire and EMS | Ingham | 11 |
| Oscoda County and Surrounding Area Police, Fire, and EMS | Oscoda | 11 |
| Westland-Garden City Police and Fire | Wayne | 11 |
| Bay County Public Safety, MSP, DNR | Bay | 10 |
| Branch County Public Safety | Branch | 10 |
| Ingham County Law Enforcement
Status: Programing the system for multiple sites. The next 24 hours you may experience issues. | Ingham | 10 |
| Kalkaska County Police and Fire Dispatch | Kalkaska | 10 |
| Manistee County Public Safety | Manistee | 10 |
| Berrien County Law, Fire and Ambulance | Berrien | 9 |
| Cheboygan County Public Safety | Cheboygan | 9 |
| Van Buren County Fire Dispatch - West | Van Buren | 9 |
| Dearborn Police and Fire | Wayne | 9 |
| Genesee County Fire | Genesee | 8 |
| Flint City Fire | Genesee | 8 |
| Menominee County Public Safety | Menominee | 7 |
| Newaygo County Public Safety | Newaygo | 7 |
| Southwest Michigan Counties Fire | Allegan | 6 |
| Charlevoix County Public Safety | Charlevoix | 6 |
| Kalamazoo City, Township and County Fire Dispatch | Kalamazoo | 6 |
| Mackinac County Public Safety | Mackinac | 6 |
| Grosse Pointes and Harper Woods Police and Fire | Wayne | 6 |
| Fenton City Police and Fire | Genesee | 5 |
| Ingham County Fire and EMS | Ingham | 5 |
| Grand Rapids Area Police and Fire Dispatch | Kent | 5 |
| Leelanau County Public Safety | Leelanau | 5 |
| Otsego County EMS | Otsego | 5 |
| Presque Isle Public Safety | Presque Isle | 5 |
| Antrim County Public Safety | Antrim | 4 |
| Eaton County Public Service | Eaton | 4 |
| Muskegon County Fire Dispatch | Muskegon | 4 |
| Otsego County Fire Dispatch - Analog | Otsego | 4 |
| Van Buren County Fire Dispatch - East | Van Buren | 4 |
| Lapeer County and Surrounding Townships Fire/EMS Dispatch | Lapeer | 3 |
| Oakland County Fire/EMS MABAS 3202 (South/Oakway) - Dispatch/Tac/Talk (P25) | Oakland | 3 |
| Oakland County Fire/EMS MABAS 3201 (North) - Dispatch/Tac/Talk (P25) | Oakland | 3 |
| Sanilac County EMS | Sanilac | 3 |
| Northville Police and Fire / Plymouth City Fire | Wayne | 3 |
| Wexford County Police Fire Dispatch | Wexford | 3 |
| Northern Lower Peninsula DNR Fire | Alcona | 2 |
| Charlevoix County Fire Dispatch | Charlevoix | 2 |
| Cheboygan County Fire | Cheboygan | 2 |
| Cheboygan Fire | Cheboygan | 2 |
| Clinton, Gratiot and Montcalm County Fire/EMS | Clinton | 2 |
| Emmet County Fire Dispatch | Emmet | 2 |
| Emmet County Public Safety | Emmet | 2 |
| Kalkaska County Public Safety | Kalkaska | 2 |
| Plymouth-Northville Area Public Safety | Wayne | 2 |
| Benzie County Public Safety | Benzie | 1 |
| Emmet Fire | Cheboygan | 1 |
| Frederic Township Fire | Crawford | 1 |
| Sagola Township Fire and EMS | Dickinson | 1 |
| Clement Twp Fire | Gladwin | 1 |
| Lapeer County Fire Dispatch - Analog | Lapeer | 1 |
| Livingston County Fire and EMER | Livingston | 1 |
| Livingston County Public Safety/MSP District 1 North | Livingston | 1 |
| Richmond Lenox EMS | Macomb | 1 |
| Greenville Public Safety | Montcalm | 1 |
| Muskegon County EMS Dispatch (ProMed, White Lake, Med Paging) | Muskegon | 1 |