| Greater Lansing Area Public Safety | Ingham | Public Safety | 293 |
| Detroit Police Dispatch | Wayne | Public Safety | 270 |
| Jackson County Public Safety | Jackson | Public Safety | 151 |
| Monroe County Sheriff, Monroe City Police, Fire and EMS Dispatch | Monroe | Public Safety | 124 |
| Muskegon County Police Dispatch | Muskegon | Public Safety | 78 |
| Downriver Public Safety | Wayne | Public Safety | 73 |
| Ionia County Sheriff, Fire and EMS | Ionia | Public Safety | 64 |
| Isabella County Police and Fire | Isabella | Public Safety | 63 |
| Wayne County Public Safety | Wayne | Public Safety | 62 |
| Eastern Upper Peninsula Public Safety | Chippewa | Public Safety | 60 |
| North Central Michigan Counties Sheriff, Police, Fire, MSP, DNR and EMS | Alcona | Public Safety | 52 |
| Kent County Fire and EMS | Kent | Public Safety | 48 |
| Lenawee County Police and Fire | Jackson | Public Safety | 47 |
| Detroit Fire | Wayne | Public Safety | 44 |
| Delta County Law, Fire and EMS | Delta | Public Safety | 44 |
| Livingston County Police, Fire and EMS | Livingston | Public Safety | 38 |
| Washtenaw County Metro Police & Fire | Washtenaw | Public Safety | 37 |
| Warren Police and Fire, Center Line Public Safety | Macomb | Public Safety | 35 |
| Ottawa County Public Safety - Digital | Ottawa | Public Safety | 35 |
| Shiawassee County Police Dispatch | Shiawassee | Public Safety | 30 |
| Barry County Sheriff, Fire, and EMS | Barry | Public Safety | 29 |
| Gratiot County Police and Fire | Gratiot | Public Safety | 26 |
| St. Joseph County Sheriff, Police, Fire and EMS | St. Joseph | Public Safety | 26 |
| Kalamazoo County Fire and MSP District 5 | Kalamazoo | Public Safety | 24 |
| Straits Area Public Safety | Charlevoix | Public Safety | 21 |
| Montcalm County Police & Fire | Montcalm | Public Safety | 20 |
| Houghton and Keweenaw Counties Police, Fire and EMS | Houghton | Public Safety | 19 |
| Allegan County Police, Fire and EMS - Conventional / Digital | Allegan | Public Safety | 17 |
| Hillsdale County Public Safety | Hillsdale | Public Safety | 17 |
| Muskegon County Police, Fire, and EMS | Muskegon | Public Safety | 17 |
| Manistee County Public Safety | Manistee | Public Safety | 16 |
| Marquette County Public Safety Dispatch | Marquette | Public Safety | 16 |
| Traverse City and Grand Traverse County District 7 MSP Digital Fire / Police | Grand Traverse | Public Safety | 15 |
| Gogebic County Fire and EMS | Gogebic | Public Safety | 15 |
| Dearborn Police and Fire | Wayne | Public Safety | 14 |
| Berrien County Met North Public Safety | Berrien | Public Safety | 13 |
| Berrien County Law, Fire and Ambulance | Berrien | Public Safety | 11 |
| Branch County Public Safety | Branch | Public Safety | 11 |
| Traverse Bay Area Public Safety | Grand Traverse | Public Safety | 11 |
| Southwest Michigan Counties Fire | Allegan | Public Safety | 10 |
| Westland-Garden City Police and Fire | Wayne | Public Safety | 9 |
| Huron County Fire and EMS | Huron | Public Safety | 9 |
| Shiawassee County Fire and EMS Dispatch | Shiawassee | Public Safety | 9 |
| Clare County Police and Fire | Clare | Public Safety | 9 |
| St Clair County Fire | St. Clair | Public Safety | 9 |
| Genesee County Fire | Genesee | Public Safety | 9 |
| Bay County Public Safety, MSP, DNR | Bay | Public Safety | 8 |
| Newaygo County Public Safety | Newaygo | Public Safety | 8 |
| Genesee County EMS | Genesee | Public Safety | 8 |
| Ingham Out-County Fire and EMS | Ingham | Public Safety | 7 |
| Otsego County Sheriff, Gaylord Police, MSP District 7 | Otsego | Public Safety | 7 |
| Oscoda County and Surrounding Area Police, Fire, and EMS | Oscoda | Public Safety | 7 |
| Emmet County Police Dispatch | Emmet | Public Safety | 7 |
| Mackinac County Public Safety | Mackinac | Public Safety | 6 |
| Grand Rapids Area Police and Fire Dispatch | Kent | Public Safety | 5 |
| Leelanau County Public Safety | Leelanau | Public Safety | 5 |
| Kalamazoo City, Township and County Fire Dispatch | Kalamazoo | Public Safety | 5 |
| Muskegon County Fire Dispatch | Muskegon | Public Safety | 5 |
| Flint City Fire | Genesee | Public Safety | 5 |
| Fenton City Police and Fire | Genesee | Public Safety | 5 |
| Oakland County Fire/EMS MABAS 3202 (South/Oakway) - Dispatch/Tac/Talk (P25) | Oakland | Public Safety | 5 |
| Grosse Pointes and Harper Woods Police and Fire | Wayne | Public Safety | 5 |
| Van Buren County Fire Dispatch - West | Van Buren | Public Safety | 5 |
| Cheboygan County Public Safety | Cheboygan | Public Safety | 5 |
| Oakland County Fire/EMS MABAS 3201 (North) - Dispatch/Tac/Talk (P25) | Oakland | Public Safety | 4 |
| Otsego County Fire Dispatch - Analog | Otsego | Public Safety | 4 |
| Detroit, Eastpointe, and Warren Police & Fire | Wayne | Public Safety | 4 |
| Wexford County Police Fire Dispatch | Wexford | Public Safety | 4 |
| Lapeer County and Surrounding Townships Fire/EMS Dispatch | Lapeer | Public Safety | 4 |
| Menominee County Public Safety | Menominee | Public Safety | 4 |
| Van Buren County Fire Dispatch - East | Van Buren | Public Safety | 4 |
| Detroit EMS Dispatch | Wayne | Public Safety | 3 |
| Antrim County Public Safety | Antrim | Public Safety | 3 |
| Emmet County Fire Dispatch | Emmet | Public Safety | 3 |
| Otsego County EMS | Otsego | Public Safety | 3 |
| Seale RP | Van Buren | Public Safety | 3 |
| Sanilac County EMS | Sanilac | Public Safety | 3 |
| Ingham County Fire and EMS | Ingham | Public Safety | 3 |
| Sault Sainte Marie Marine Ch-12 (Soo Traffic) | Chippewa | Marine | 3 |
| Clinton Twp Police - Fire Dispatch | Macomb | Public Safety | 3 |
| Charlevoix County Public Safety | Charlevoix | Public Safety | 3 |
| Plymouth-Northville Area Public Safety | Wayne | Public Safety | 3 |
| Cheboygan County Fire | Cheboygan | Public Safety | 3 |
| Troy Fire Department | Oakland | Public Safety | 2 |
| Northville Police and Fire / Plymouth City Fire | Wayne | Public Safety | 2 |
| Saint Joseph Area Rail and Marine | Berrien | Rail | 2 |
| Macomb Fire | Macomb | Public Safety | 2 |
| Charlevoix County Fire Dispatch | Charlevoix | Public Safety | 2 |
| Romulus-Huron Twp Police & Fire | Wayne | Public Safety | 2 |
| Oakland County Fire/EMS Dispatch Only - All County (P25) | Oakland | Public Safety | 2 |
| Oceana County Fire and EMS Dispatch | Oceana | Public Safety | 2 |
| Emmet County Public Safety | Emmet | Public Safety | 2 |
| Muskegon County EMS Dispatch (ProMed, White Lake, Med Paging) | Muskegon | Public Safety | 2 |
| Eaton County Public Service | Eaton | Public Safety | 2 |
| Clinton County Public Saftey | Clinton | Public Safety | 2 |
| Cheboygan Fire | Cheboygan | Public Safety | 2 |
| Sanilac County Public Safety | Sanilac | Public Safety | 2 |
| Ingham and Clinton Public Saftey | Clinton | Public Safety | 2 |
| Sandusky Fire | Sanilac | Public Safety | 2 |
| Livingston County Fire and EMER | Livingston | Public Safety | 1 |