| System Name | Type | City |
|---|---|---|
| Indiana Project Hoosier SAFE-T | Project 25 Phase I | Statewide |
| IOM Health Systems | NXDN NEXEDGE 4800 | Various |
| Northern Indiana Public Service Company (NIPSCO 900MHz) | DMR Tier 3 Standard | Multiple |
| Trunking Investments Incorporated | LTR Standard | North Judson |
