| Abbott Nutrition | DMR | Motorola Capacity Plus Single Site (TRBO) | Sturgis | St. Joseph | 2022-02-28 |
| Adrian and Blissfield Railroad Company | NXDN | NEXEDGE 4800 | Blissfield | Multi-County [5] | 2022-04-29 |
| Airtime SMR TRS - DMR | DMR | Motorola Capacity Plus Multi Site (TRBO) | Varies | Multi-County [2] | 2017-02-24 |
| Allcom Dispatch, L.C. | MPT-1327 | Standard | Detroit | Wayne | 2024-01-14 |
| American Center For Mobility | DMR | Motorola Capacity Plus Single Site (TRBO) | Ypsilanti | Washtenaw | 2022-11-09 |
| American Electric Power (AEP) P25 | Project 25 | Phase II | Various | Multi-County [263] | 2025-11-27 |
| Ann Arbor-Washtenaw County Government System | Motorola | Type II Smartnet | Ann Arbor | Washtenaw | 2021-02-19 |
| Arauco | DMR | Motorola Capacity Plus Single Site (TRBO) | Grayling | Crawford | 2021-01-24 |
| Bavarian Inn Lodge | DMR | Motorola Capacity Plus Single Site (TRBO) | Frankenmuth | Saginaw | 2025-10-25 |
| Bay City Government Services | DMR | Motorola Capacity Plus Single Site (TRBO) | Bay City MI | Bay | 2024-02-16 |
| Bay City Public Schools | DMR | Motorola Capacity Plus Single Site (TRBO) | Bay City | Bay | 2022-06-15 |
| Bay County Department of Water and Sewer | LTR | Standard | Bay County | Bay | 2024-08-22 |
| Binder Park Zoo | DMR | Motorola Capacity Plus Single Site (TRBO) | Battle Creek | Calhoun | 2017-12-21 |
| Bradford White Corporation | DMR | Motorola Capacity Plus Single Site (TRBO) | Middleville | Barry | 2023-11-01 |
| Branch County Public Safety | Project 25 | Phase II | Coldwater | Branch | 2024-06-15 |
| Bronson Methodist Hospital | LTR | Standard | Kalamazoo | Kalamazoo | 2019-02-05 |
| C and C Communications (Muskegon) | LTR | Passport | Muskegon | Multi-County [3] | 2018-07-10 |
| Calhoun-Jackson Counties Road Department | DMR | Motorola Capacity Plus Multi Site (TRBO) | Marshall | Multi-County [2] | 2024-06-27 |
| Calvin College | DMR | Motorola Capacity Plus Single Site (TRBO) | Grand Rapids | Kent | 2016-05-21 |
| Central Michigan University | DMR | Motorola Capacity Plus Single Site (TRBO) | Mount Pleasant | Isabella | 2025-09-24 |
| Chrouch Communications | LTR | Standard | Saranac | Ionia | 2018-07-10 |
| Clemens Food Group | DMR | Motorola Capacity Plus Single Site (TRBO) | Coldwater | Branch | 2018-05-20 |
| Cloverland Electric Co-Op Inc. | DMR | Conventional Networked | Dafter | Multi-County [4] | 2024-09-09 |
| Communications Specialists - UHF (Grand Rapids) | NXDN | NEXEDGE 9600 | Grand Rapids | Kent | 2016-05-21 |
| Communications Specialists - VHF (Grand Rapids) | NXDN | NEXEDGE 9600 | Grand Rapids | Kent | 2016-05-21 |
| ComSource Michigan DMR | DMR | Motorola Connect Plus (TRBO) | Various | Multi-County [14] | 2025-01-11 |
| ComSource Michigan NEXEDGE | NXDN | NEXEDGE 9600 | Varies | Multi-County [3] | 2024-06-22 |
| Comsource: Southfield | DMR | Motorola Capacity Plus Single Site (TRBO) | Southfield | Oakland | 2017-02-12 |
| Cornerstone SMR (Detroit) | MPT-1327 | Standard | Detroit | Wayne | 2011-10-19 |
| CSI Systems | LTR | Standard | Sturgis | Multi-County [2] | 2014-05-25 |
| Delta Airlines - Detroit Metropolitan Airport (DTW) (DMR) | DMR | Motorola Connect Plus (TRBO) | Detroit | Wayne | 2024-07-14 |
| Delta College | DMR | Motorola Capacity Plus Single Site (TRBO) | Bay City | Bay | 2022-05-16 |
| DeltaCom | NXDN | NEXEDGE 4800 | Varies | Multi-County [15] | 2024-07-14 |
| Detroit City Transportation | OpenSky | 9600 baud | Detroit | Wayne | 2020-04-09 |
| Detroit Connecting Railroad | NXDN | NEXEDGE 4800 | Detroit | Wayne | 2016-05-18 |
| Detroit International Bridge Company | DMR | Motorola Capacity Plus Single Site (TRBO) | Detroit | Wayne | 2024-10-10 |
| Detroit Public Schools | DMR | Motorola Connect Plus (TRBO) | Detroit | Wayne | 2020-01-15 |
| Detroit Zoological Society | DMR | Motorola Capacity Plus Single Site (TRBO) | Royal Oak | Oakland | 2020-07-08 |
| Diga-Talk | NXDN | NEXEDGE 4800 | Various | Multi-County [86] | 2025-10-21 |
| DMC Sinai-Grace Hospital | DMR | Hytera XPT | Detroit | Wayne | 2022-01-07 |
| Dow Chemical | Project 25 | Phase II | Midland | Midland | 2021-04-07 |
| Downriver Mutual Aid (Project 25) Radio System | Project 25 | Phase I | SE Wayne County | Wayne | 2025-11-25 |
| DTE Energy | LTR | Standard | River Rouge | Wayne | 2018-07-10 |
| DTE Energy - Monroe Power Plant | LTR | Standard | Monroe | Monroe | 2007-01-20 |
| DTE Energy: China Power Plant | LTR | Standard | St. Clair | St. Clair | 2008-03-09 |
| DTE Energy: East China Power Plant | DMR | Motorola Capacity Plus Single Site (TRBO) | East China Twp. | St. Clair | 2019-01-19 |
| Eagle Mine LLC - Mine Operations | NXDN | NEXEDGE 9600 | Marquette | Marquette | 2021-01-22 |
| Eagle Mine LLC - Security | NXDN | NEXEDGE 9600 | Marquette | Marquette | 2017-09-15 |
| Electro-Pro LLC | DMR | Motorola Connect Plus (TRBO) | Flint | Genesee | 2016-08-01 |
| Enrico Fermi II Nuclear Power Plant | Project 25 | Phase II | Newport | Monroe | 2024-06-21 |
| Federal Correctional Institution: Milan | Motorola | Type II SmartZone | Milan | Washtenaw | 2024-05-23 |
| FedEx Ground (Van Buren Regional Sorting Facility) | DMR | Motorola Capacity Plus Single Site (TRBO) | Belleville | Wayne | 2022-08-13 |
| FireKeepers Casino | DMR | Motorola Capacity Plus Single Site (TRBO) | Battle Creek | Calhoun | 2022-07-24 |
| Ford Communications - Dearborn Rouge Plant | DMR | Motorola Capacity Plus Single Site (TRBO) | Dearborn | Wayne | 2025-01-19 |
| Ford Motor Communications | DMR | Motorola Capacity Plus Single Site (TRBO) | Various | Wayne | 2024-08-29 |
| Ford Motor Company (Romeo) | Motorola | Type II Smartnet | Romeo | Macomb | 2012-10-11 |
| Ford Motor Company - Wayne Complex | Motorola | Type II Smartnet | Wayne | Wayne | 2022-01-07 |
| Ford Motor Company: Flat Rock Assembly Plant | DMR | Motorola Capacity Plus Single Site (TRBO) | Flat Rock | Wayne | 2022-01-07 |
| Ford Motor Company: Sterling Heights | DMR | Motorola Capacity Plus Single Site (TRBO) | Sterling Heights | Macomb | 2018-01-06 |
| Ford Motor Company: Woodhaven Stamping Plant | DMR | Motorola Capacity Plus Single Site (TRBO) | Woodhaven | Wayne | 2021-10-29 |
| Ford Proving Grounds - Test Track | DMR | Motorola Capacity Plus Single Site (TRBO) | Romeo | Macomb | 2017-02-11 |
| Four Winds Casino and Resort | DMR | Motorola Connect Plus (TRBO) | New Buffalo | Multi-County [2] | 2023-04-13 |
| Futronics UHF Connect Plus (OH-WV-PA-MI) | DMR | Motorola Connect Plus (TRBO) | Various | Multi-County [33] | 2025-08-15 |
| Garden City Public School (DMR) | DMR | Motorola Capacity Plus Single Site (TRBO) | Garden City | Wayne | 2024-07-19 |
| Garden City Public Schools | LTR | Standard | Garden City | Wayne | 2021-09-22 |
| General Communications (Grand Rapids) | LTR | Standard | Grand Rapids | Kent | 2024-09-12 |
| General Mobile Radio Service NEXEDGE | NXDN | NEXEDGE 9600 | Varies | Oakland | 2016-06-18 |
| General Motors (USA) | DMR | Motorola Connect Plus (TRBO) | Various | Multi-County [12] | 2025-11-22 |
| General Motors Global Propulsion Systems | DMR | Motorola Capacity Plus Single Site (TRBO) | Pontiac | Oakland | 2025-09-19 |
| General Motors Proving Grounds | DMR | Motorola Capacity Plus Single Site (TRBO) | Milford | Oakland | 2016-03-05 |
| General Motors Research Service Parts Operations | DMR | Motorola Capacity Plus Single Site (TRBO) | Pontiac | Oakland | 2016-04-10 |
| General Motors: Willow Run | DMR | Motorola Capacity Plus Single Site (TRBO) | Ypsilanti | Washtenaw | 2018-08-25 |
| Grand Rapids Public Schools | DMR | Motorola Capacity Plus Single Site (TRBO) | Grand Rapids | Kent | 2022-12-17 |
| Grand Traverse Resort and Casinos | NXDN | NEXEDGE 4800 | Williamsburg | Grand Traverse | 2022-12-06 |
| Greektown Casino | DMR | Motorola Capacity Plus Single Site (TRBO) | Detroit | Wayne | 2016-12-31 |
| Gun Lake Tribe Casino | DMR | Motorola Capacity Plus Single Site (TRBO) | Bradley | Allegan | 2025-02-01 |
| Hemlock Semiconductors | Project 25 | Phase I | Hemlock | Saginaw | 2022-12-07 |
| Henry Ford Village | DMR | Motorola Capacity Plus Single Site (TRBO) | Dearborn | Wayne | 2012-08-08 |
| Herkimer Radio Service | LTR | Standard | Monroe | Monroe | 2020-11-26 |
| Hillsdale College | NXDN | NEXEDGE 4800 | Hillsdale | Hillsdale | 2024-06-23 |
| Holland Christian schools | DMR | Motorola Capacity Plus Single Site (TRBO) | Holland | Ottawa | 2019-05-24 |
| Huron County (Project 25) Public Safety Radio System | Project 25 | Phase I | Bad Axe | Huron | 2024-06-15 |
| Indiana Michigan Power Company | NXDN | NEXEDGE 4800 | Bridgman | Berrien | 2024-05-09 |
| Interurban Transit Partnership | NXDN | NEXEDGE 4800 | Grand Rapids | Kent | 2024-08-25 |
| Isabella County Schools | DMR | Motorola Connect Plus (TRBO) | Mount Pleasant | Isabella | 2017-01-30 |
| Isabella County Transportation Commission | DMR | Motorola Connect Plus (TRBO) | Mount Pleasant | Isabella | 2015-12-24 |
| Kalamazoo Public Schools | DMR | Motorola Capacity Plus Multi Site (TRBO) | Kalamazoo | Kalamazoo | 2024-10-23 |
| Lansing Public Services | DMR | Motorola Connect Plus (TRBO) | Lansing | Ingham | 2022-11-16 |
| Lapeer County Medical Facility (Suncrest Daycare) | DMR | Motorola Capacity Plus Single Site (TRBO) | Lapeer | Lapeer | 2017-02-23 |
| Little River Casino | NXDN | NEXEDGE 9600 | Manistee | Manistee | 2022-04-29 |
| Louchart Enterprises (UHF) | LTR | Standard and Passport | Bay City | Multi-County [5] | 2024-01-12 |
| Louchart Enterprises MOTOTRBO System | DMR | Motorola Capacity Plus Multi Site (TRBO) | Varies | Multi-County [6] | 2024-05-16 |
| Marathon Ashland Petroleum | LTR | Passport | Detroit | Wayne | 2014-02-11 |
| Marshall City Services | LTR | Standard | Marshall | Calhoun | 2024-01-13 |
| MGM Grand Detroit | DMR | Motorola Capacity Plus Single Site (TRBO) | Detroit | Wayne | 2018-04-08 |
| Michigan Auxcomm | DMR | Conventional Networked | Various | Multi-County [4] | 2022-02-27 |
| Michigan's Public Safety Communications System (MPSCS) | Project 25 | Phase II | Statewide | Statewide | 2025-11-24 |
| MichiganMax | DMR | Tier 3 Capacity Max | Moline | Multi-County [2] | 2025-10-09 |
| Midport Electronics | LTR | Standard | Ottawa Lake | Multi-County [2] | 2019-02-07 |
| Natural Aggregates Corporation | DMR | Motorola Capacity Plus Multi Site (TRBO) | Milford | Oakland | 2022-01-08 |
| Nexteer Automotive Corporation | DMR | Motorola Capacity Plus Single Site (TRBO) | Saginaw | Saginaw | 2019-01-26 |
| Northville Public Schools | DMR | Motorola Capacity Plus Single Site (TRBO) | Northville | Wayne | 2022-03-08 |
| Oakland University | DMR | Hytera XPT | Oakland | Oakland | 2024-03-04 |
| Odawa Casino Resort | DMR | Hytera XPT | Petoskey | Multi-County [2] | 2018-01-10 |
| OTEC - LTR (Mancelona) | DMR | Motorola Capacity Plus Single Site (TRBO) | Elk Rapids | Antrim | 2022-01-06 |
| Perrigo Pharmaceuticals | DMR | Tier 3 Capacity Max | Allegan | Allegan | 2024-09-05 |
| Pharmacia and Upjohn (Pfizer) | DMR | Motorola Capacity Plus Single Site (TRBO) | Kalamazoo | Kalamazoo | 2018-07-10 |
| Pro Comm | DMR | Tier 3 Standard | Auburn-Saginaw | Multi-County [2] | 2024-07-17 |
| ProMedica | DMR | Motorola Capacity Plus Multi Site (TRBO) | Toledo | Multi-County [6] | 2024-06-25 |
| Radio North (Grand Traverse) | LTR | Standard | Traverse City | Grand Traverse | 2019-01-22 |
| Range Telecommunications | LTR | Standard | Marquette | Multi-County [8] | 2025-08-20 |
| Repeater Systems | DMR | Motorola Connect Plus (TRBO) | Various | Multi-County [3] | 2018-12-03 |
| RFT Enterprises / HEI Wireless | LTR | Standard | Benton Harbor | Berrien | 2019-02-07 |
| Robinson Communications | NXDN | NEXEDGE 9600 | Bad Axe | Multi-County [3] | 2018-07-13 |
| Roe Communications - UHF | DMR | Motorola Capacity Plus Single Site (TRBO) | Kalamazoo | Multi-County [2] | 2017-10-13 |
| Saganing Casino | DMR | Motorola Capacity Plus Single Site (TRBO) | Standish | Arenac | 2025-09-23 |
| Saginaw City Public Services | DMR | Motorola Capacity Plus Single Site (TRBO) | Saginaw | Saginaw | 2022-05-19 |
| Saginaw Valley State University | DMR | Motorola Capacity Plus Single Site (TRBO) | Saginaw | Saginaw | 2021-04-16 |
| Sanilac County Road Commission | DMR | Motorola Capacity Plus Multi Site (TRBO) | Carsonville | Sanilac | 2017-02-20 |
| SMR Communications (Berrien) | LTR | Standard | Niles | Multi-County [3] | 2012-07-05 |
| Soaring Eagle Casino and Resort | DMR | Motorola Capacity Plus Single Site (TRBO) | Mount Pleasant | Isabella | 2023-12-18 |
| SpartanNash Distribution Center | DMR | Motorola Capacity Plus Single Site (TRBO) | Byron Center | Kent | 2022-12-17 |
| State Systems Radio - UHF (Kalamazoo) | LTR | Standard | Kalamazoo | Kalamazoo | 2024-10-29 |
| Stellantis: Chelsea Proving Grounds | DMR | Motorola Capacity Plus Single Site (TRBO) | Chelsea | Washtenaw | 2023-09-13 |
| Stellantis: Dundee Engine | DMR | Motorola Capacity Plus Single Site (TRBO) | Dundee | Monroe | 2023-09-13 |
| Stellantis: Global Headquarters | DMR | Motorola Capacity Plus Single Site (TRBO) | Auburn Hills | Oakland | 2024-03-10 |
| Stellantis: Jefferson Ave | Motorola | Type II | Detroit | Wayne | 2023-09-13 |
| Stellantis: Jefferson North Assembly Plant | Motorola | Type II Smartnet | Detroit | Wayne | 2023-09-13 |
| Stellantis: Mack I Engine Plant | Motorola | Type II Smartnet | Detroit | Wayne | 2023-09-22 |
| Stellantis: Mack II Engine Plant | Motorola | Type II Smartnet | Detroit | Wayne | 2023-09-13 |
| Stellantis: Sterling Heights (LTR) | LTR | Passport | Sterling Heights | Macomb | 2023-09-13 |
| Stellantis: Sterling Heights Assembly Plant (DMR) | DMR | Motorola Connect Plus (TRBO) | Sterling Heights | Macomb | 2023-09-13 |
| Stellantis: Sterling Heights Stamping Plant | DMR | Motorola Capacity Plus Single Site (TRBO) | Sterling Heights | Macomb | 2023-09-13 |
| Stellantis: Trenton Engine Plant | DMR | Motorola Capacity Plus Single Site (TRBO) | Trenton | Wayne | 2023-09-13 |
| Stellantis: Warren Truck Assembly / Stamping Plant | DMR | Motorola Capacity Plus Single Site (TRBO) | Warren | Macomb | 2023-09-13 |
| Suburban Mobility Authority for Regional Transportation (SMART) | Motorola | Type II Smartnet | Beverly Hills | Multi-County [3] | 2020-03-19 |
| Superior Ambulance | DMR | Conventional Networked | Various | Multi-County [3] | 2019-09-05 |
| T and W Electronics (DMR 334) | DMR | Motorola Connect Plus (TRBO) | Grand Rapids | Multi-County [9] | 2025-09-25 |
| Target Distribution Centers | NXDN | NEXEDGE 4800 | Multiple | Multi-County [15] | 2025-01-13 |
| Telacom Corporation | LTR | Standard | Jackson | Jackson | 2021-12-20 |
| Tele-Rad/TRT Partners | DMR | Motorola Capacity Plus Multi Site (TRBO) | Holland | Multi-County [5] | 2025-09-26 |
| The Andersons | DMR | Motorola Capacity Plus Single Site (TRBO) | Hudson | Lenawee | 2018-05-19 |
| Thomson Reuters | DMR | Motorola Capacity Plus Single Site (TRBO) | Ann Arbor | Washtenaw | 2017-07-24 |
| Troy Design and Manufacturing | DMR | Motorola Capacity Plus Single Site (TRBO) | Plymouth | Wayne | 2018-07-10 |
| TRT Partners (LTR) | LTR | Standard | Holland | Multi-County [7] | 2022-05-02 |
| United States Army (58A) | Project 25 | Phase I | Various | Multi-County [9] | 2024-03-10 |
| United States Gypsum Company | LTR | Standard | Tawas City | Iosco | 2011-11-22 |
| United Wholesale Mortgage | TETRA | Standard | Pontiac | Oakland | 2025-01-17 |
| University of Michigan (P25) | Project 25 | Phase II | Ann Arbor | Washtenaw | 2025-03-30 |
| University of Michigan: Athletics Dept. | DMR | Motorola Capacity Plus Single Site (TRBO) | Ann Arbor | Washtenaw | 2021-12-01 |
| Verso | DMR | Motorola Capacity Plus Single Site (TRBO) | Escanaba | Delta | 2019-03-23 |
| Verso Quinnesec LLC | LTR | Standard | Quinnesec | Dickinson | 2024-08-15 |
| Visteon Corporation - Corporate Village | LTR | Standard and Passport | Belleville | Wayne | 2017-02-10 |
| Visteon Plastics Plant: Milan | Motorola | Type II Smartnet | Milan | Monroe | 2020-11-26 |
| Warren Government and Mutual Aid | Project 25 | Phase I | Warren | Macomb | 2025-05-20 |
| Washtenaw Community College | DMR | Motorola Capacity Plus Single Site (TRBO) | Ann Arbor | Washtenaw | 2022-11-15 |
| Wayne State University | DMR | Motorola Capacity Plus Single Site (TRBO) | Detroit | Wayne | 2024-10-11 |
| We Energies (900) | DMR | Motorola Capacity Plus Multi Site (TRBO) | Milwaukee | Multi-County [6] | 2025-11-23 |
| WEC We Energies | DMR | Tier 3 Standard | Milwaukee | Multi-County [31] | 2025-07-23 |
| Western Michigan University (DMR) | DMR | Motorola Capacity Plus Single Site (TRBO) | Kalamazoo | Kalamazoo | 2018-05-09 |
| William Beaumont Hospital: Royal Oak | NXDN | NEXEDGE 9600 | Royal Oak | Oakland | 2017-02-27 |
| William Beaumont Hospital: Troy | NXDN | NEXEDGE 4800 | Troy | Oakland | 2016-07-28 |
| Woodhaven Brownstown School district | DMR | Hytera XPT | Woodhaven | Wayne | 2022-12-16 |
