| AmerenMissouri (P25) | 
Project 25 Phase I | 
St Louis Metro Area/E MO | 
| Argocy Casino - Alton | 
LTR Standard | 
St Louis  | 
| Clear Talk (Connect Plus) | 
DMR Motorola Connect Plus (TRBO) | 
Areawide | 
| Communications Services (Alton) | 
LTR Standard | 
Alton | 
| First Student - St. Louis (LTR) | 
LTR Standard | 
St. Louis | 
| Gateway Energy and Coke (Granite City) | 
DMR Motorola Capacity Plus Single Site (TRBO) | 
Granite City | 
| Great Plains Madison (IL) | 
DMR Motorola Capacity Plus Single Site (TRBO) | 
Madison | 
| Madison County Transit District (MCT) | 
EDACS Standard | 
Edwardsville | 
| Missouri BrandMeister DMR | 
DMR Conventional Networked | 
Various | 
| Missouri Statewide Wireless Interoperable Network (MOSWIN) | 
Project 25 Phase II | 
Statewide | 
| Phillips 66 Refineries | 
Project 25 Phase II | 
Various | 
| Southwestern Electric Cooperative (IL) | 
DMR Motorola Capacity Plus Multi Site (TRBO) | 
Greenville | 
| STARCOM21 Statewide Illinois | 
Project 25 Phase II | 
Statewide | 
| United States Steel Corporation (Tier 3) | 
DMR Tier 3 Capacity Max | 
Various | 
| Warner Communications (DMR 13) | 
DMR Tier 3 Standard | 
St Louis Metro | 
| Warner Communications - Shiloh (LTR) | 
LTR Standard | 
MetroEast | 
| Warner Communications - St Louis (DMR-UHF) | 
DMR Conventional Networked | 
St Louis | 
| Warner Communications-BJC Hospitals (NXDN) | 
NXDN NEXEDGE 4800 | 
St Louis | 
| Wieland Rolled Products / Winchester - East Alton (DMR) | 
DMR Motorola Capacity Plus Multi Site (TRBO) | 
East Alton | 
| WirelessUSA (Tier 3) | 
DMR Tier 3 Non-Standard | 
IL/MO |