Note: This is a listing of deprecated systems. These systems are either no longer in use or have been superceded by another system.
| System Name | Type | Flavor | City | County | Updated |
|---|---|---|---|---|---|
| Action Communications | DMR | Motorola Capacity Plus Multi Site (TRBO) | Various | Multi-County [5] | 2017-03-27 |
| Casper Public Safety | Project 25 | Phase I | Casper | Natrona | 2011-08-28 |
| Casper Public Safety (old) | Motorola | Type II Smartnet | Casper | Natrona | 2011-08-19 |
| City of Cheyenne | Motorola | Type II Smartnet | Cheyenne | Laramie | 2011-08-19 |
| Collins Communications LTR | LTR | Standard | Gillette | Campbell | 2023-10-09 |
| Communications Service Company | LTR | Standard | Cheyenne | Laramie | 2017-11-20 |
| F. E. Warren Air Force Base | Project 25 | Phase I | Cheyenne | Laramie | 2008-05-21 |
| Ryan Electronics | LTR | Standard | Elk Mountain | Carbon | 2023-11-18 |
| Simplot Phosphates Inc | Motorola | Type II Smartnet | Rock Springs | Sweetwater | 2021-03-13 |
| Solvay Minerals Inc | Motorola | Type II Smartnet | Green River | Sweetwater | 2021-03-13 |
| Sublette County | Project 25 | Phase II | Pinedale | Sublette | 2020-08-21 |
| Teton Communications Systems (LTR) | LTR | Standard and Passport | Various | Multi-County [11] | 2022-02-02 |
| Two Way Radio Service (Casper) | LTR | Standard | Casper | Natrona | 2023-11-17 |