| System Name | Type | City |
|---|---|---|
| Connecticut Land Mobile Radio Network (CLMRN) | Project 25 Phase II | Statewide |
| CT Amateur Radio Emergency Services (ARES) | DMR Conventional Networked | Statewide |
| Eastern Connecticut Health Network | DMR Conventional Networked | Manchester - Rockville |
| Eversource | DMR Tier 3 Standard | Statewide |
| Marcus Communications - Statewide | LTR Standard and Passport | Various |
| Somers Board of Health | DMR Motorola Capacity Plus Single Site (TRBO) | Somers |
