| ComSource Michigan DMR | DMR Motorola Connect Plus (TRBO) | Various | 
| Ford Motor Company (Romeo) | Motorola Type II Smartnet | Romeo | 
| Ford Motor Company: Sterling Heights | DMR Motorola Capacity Plus Single Site (TRBO) | Sterling Heights | 
| Ford Proving Grounds - Test Track | DMR Motorola Capacity Plus Single Site (TRBO) | Romeo | 
| Michigan's Public Safety Communications System (MPSCS) | Project 25 Phase II | Statewide | 
| Stellantis: Sterling Heights (LTR) | LTR Passport | Sterling Heights | 
| Stellantis: Sterling Heights Assembly Plant (DMR) | DMR Motorola Connect Plus (TRBO) | Sterling Heights | 
| Stellantis: Sterling Heights Stamping Plant | DMR Motorola Capacity Plus Single Site (TRBO) | Sterling Heights | 
| Stellantis: Warren Truck Assembly / Stamping Plant | DMR Motorola Capacity Plus Single Site (TRBO) | Warren | 
| Suburban Mobility Authority for Regional Transportation (SMART) | Motorola Type II Smartnet | Beverly Hills | 
| Superior Ambulance | DMR Conventional Networked | Various | 
| United States Army (58A) | Project 25 Phase I | Various | 
| Warren Government and Mutual Aid | Project 25 Phase I | Warren |