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 These systems are either no longer in use or have been superceded by another system.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 |
|---|---|---|---|---|---|
| Alta Ski Lifts Company | Motorola | Type II Smartnet | Alta | Salt Lake | 2023-12-01 |
| Caerus Uinta Oil & Gas | MPT-1327 | Standard | Jensen | Uintah | 2023-06-19 |
| Church of Jesus Christ of Latter Day Saints (Motorola) | Motorola | Type II Smartnet | Salt Lake City | Salt Lake | 2019-03-25 |
| Currant Creek Power Plant | DMR | Tier 3 Standard | Mona | Juab | 2024-01-23 |
| Delta Air Lines, Inc. | Motorola | Type II Smartnet | Salt Lake | Salt Lake | 2021-06-18 |
| DMR-Utah Amateur Radio Network | DMR | Conventional Networked | Multiple | Multi-County [6] | 2022-01-18 |
| doTERRA Essential Oils | DMR | Motorola Connect Plus (TRBO) | Pleasant Grove | Utah | 2021-08-27 |
| Geneva Rock Products | Motorola | Type II SmartZone | Salt Lake City | Salt Lake | 2019-05-28 |
| Iron County (Unknown) | Motorola | Type II Smartnet | Cedar City | Iron | 2010-04-07 |
| Kennecott Copper (5219) | Motorola | Type II | Copperton | Salt Lake | 2019-05-28 |
| Kennecott Copper (6F1A) | Motorola | Type II | Copperton | Salt Lake | 2019-11-20 |
| Kennecott Copper (7031) | Motorola | Type II | Magna | Salt Lake | 2019-05-28 |
| McIntosh Communications (Farnsworth Peak) | LTR | Standard | Salt Lake City | Salt Lake | 2018-07-15 |
| Nextel System 3d37 (Salt Lake Area) | Motorola | Type II Smartnet | Salt Lake City | Salt Lake | 2009-04-09 |
| PacifiCorp: Carbon Power Plant | MPT-1327 | Standard | Carbon | Carbon | 2023-03-15 |
| PDV Spectrum Electronics | DMR | Motorola Capacity Plus Multi Site (TRBO) | Orem | Multi-County [2] | 2022-06-26 |
| Peak Mobile Comm | LTR | Standard | Salt Lake City | Salt Lake | 2017-01-20 |
| Questar (Coalville 2) | Motorola | Type II Smartnet | Coalville | Summit | 2009-04-09 |
| Questar (Coalville) | Motorola | Type II | Coalville | Summit | 2017-01-01 |
| Questar (Frisco Peak) | Motorola | Type II | Frisco | Beaver | 2021-08-23 |
| Questar (Levan) | Motorola | Type II | Levan | Juab | 2021-08-23 |
| Questar (Logan) | Motorola | Type II | Logan | Multi-County [2] | 2021-08-23 |
| Questar (Manti) | Motorola | Type II | Manti | Sanpete | 2019-06-21 |
| Questar (Price) | Motorola | Type II | Price | Carbon | 2017-07-19 |
| Questar (Promontory Point) | Motorola | Type II | Ogden | Weber | 2020-08-30 |
| Questar (Richfield) | Motorola | Type II | Richfield | Sevier | 2021-08-23 |
| Questar (St. George) | Motorola | Type II | St. George | Washington | 2021-08-23 |
| Salt Lake City Airport Authority | Motorola | Type II Smartnet | Salt Lake City | Salt Lake | 2018-09-05 |
| Salt Lake City Services | Motorola | Type I | Salt Lake City | Salt Lake | 2018-09-05 |
| Salt Lake County Public Safety | Motorola | Type II SmartZone | Salt Lake City | Salt Lake | 2008-01-05 |
| State of Utah DAS/DITS | Motorola | Type I | Salt Lake City | Salt Lake | 2005-04-28 |
| Stouffers/Nestle | LTR | Passport | Springville | Utah | 2022-09-13 |
| Tooele Army Depot | Motorola | Type II | Tooele | Tooele | 2020-01-15 |
| UCS Wireless (old) | Motorola | Type II Smartnet | Salt Lake City | Salt Lake | 2020-11-15 |
| Utah Communications & Electronics | Motorola | Type II Smartnet | Salt Lake City | Salt Lake | 2019-02-25 |
| Utah Military | Motorola | Type II SmartZone | Various | Multi-County [3] | 2015-12-06 |
| Utah State University | Motorola | Type II | Logan | Cache | 2013-03-26 |
| Weber State University | LTR | Standard | Ogden | Weber | 2022-10-04 |