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 These systems are either no longer in use or have been superceded by another system.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 |
|---|---|---|---|---|---|
| ACS Associates | NXDN | NEXEDGE 9600 | Clear Creek | 2020-09-13 | |
| Action Communications | DMR | Motorola Capacity Plus Multi Site (TRBO) | Various | Multi-County [5] | 2017-03-27 |
| Adams Twelve Five Star Schools | EDACS | Standard | Broomfield | Multi-County [3] | 2009-04-12 |
| Agilent Technologies | Motorola | Type II | Colorado Springs | El Paso | 2010-08-17 |
| Arapahoe County | Motorola | Type II Smartnet | Littleton | Arapahoe | 2006-05-04 |
| Arvada Public Safety | EDACS | Standard | Arvada | Multi-County [2] | 2015-03-31 |
| Aspen Mountain Ski Resort | LTR | Standard | Aspen | Pitkin | 2020-03-14 |
| Aspen Mountain Ski Resort - Ski World Cup Finals | LTR | Standard | Aspen | Pitkin | 2023-03-06 |
| Aspen Ski Company (Aspen) | Motorola | Type II Smartnet | Aspen | Pitkin | 2007-05-22 |
| Aspen Ski Company (Snowmass) | Motorola | Type II Smartnet | Snowmass | Pitkin | 2007-05-22 |
| Aurora (EDACS) | EDACS | Standard | Aurora | Multi-County [3] | 2016-07-16 |
| Belmar Center | LTR | Standard | Lakewood | Jefferson | 2021-11-25 |
| Breckenridge Resort | LTR | Standard | Breckenridge | Summit | 2019-03-31 |
| Centers for Disease Control and Prevention | Project 25 | Phase I | Various | Multi-County [3] | 2019-12-29 |
| CNC Technical Services LTR | LTR | Standard | Steamboat Springs | Routt | 2023-12-11 |
| Collins Communications 2 | LTR | Standard | Fort Collins | Larimer | 2018-07-20 |
| Colorado Current | DMR | Motorola Capacity Plus Single Site (TRBO) | Colorado Springs | El Paso | 2018-04-11 |
| Colorado Mills Mall | LTR | Standard | Lakewood | Jefferson | 2016-05-02 |
| Colorado Springs (Dept of Telecom) | Motorola | Type II Smartnet | Colorado Springs | El Paso | 2007-02-27 |
| Colorado Springs / El Paso Co Public Safety | Project 25 | Phase I | Colorado Springs | Multi-County [3] | 2009-07-18 |
| Colorado Springs Public Safety System | Project 25 | Phase I | Colorado Springs | El Paso | 2010-06-12 |
| Colorado Telecom | DMR | Motorola Capacity Plus Single Site (TRBO) | Boulder | Boulder | 2020-12-29 |
| Communication Solutions and Associates | LTR | Standard | Cheyenne Mountain | El Paso | 2017-10-15 |
| Coors Brewing Company | Motorola | Type II Smartnet | Golden | Jefferson | 2018-06-12 |
| Copper Mountain Ski Resort | DMR | Motorola Connect Plus (TRBO) | Copper Mountain | Summit | 2019-03-29 |
| CORE Electric Cooperative | DMR | Motorola Connect Plus (TRBO) | Sedalia | Multi-County [7] | 2024-02-28 |
| Denver Area Federal | Motorola | Type II SmartZone | Aurora | Multi-County [7] | 2020-12-31 |
| Denver City Services | EDACS | Standard | Denver | Denver | 2019-03-08 |
| Denver International Airport (EDACS) | EDACS | Standard | Denver | Denver | 2017-10-09 |
| Denver Public Safety Data | EDACS | Standard | Denver | Denver | 2010-07-15 |
| Denver Public Safety EDACS | EDACS | Standard w/ESK | Denver | Denver | 2019-08-02 |
| Denver Water | DMR | Motorola Capacity Plus Multi Site (TRBO) | Denver | Multi-County [3] | 2020-12-30 |
| Dick's Sporting Goods Park | LTR | Standard | Commerce City | Adams | 2019-05-06 |
| Eagle County Public Works | Motorola | Type II SmartZone | Eagle | Eagle | 2014-12-03 |
| Federal Correctional Institution Englewood | Motorola | Type II Smartnet | Englewood | Jefferson | 2015-10-23 |
| Federal Reserve Bank of Kansas City | DMR | Motorola Capacity Plus Multi Site (TRBO) | Kansas City | Multi-County [4] | 2023-11-11 |
| FedEx (Denver International Airport) | Motorola | Type II Smartnet | Denver | Denver | 2016-08-23 |
| Firstview Communications, LLC (SMR) | Motorola | Type II Smartnet | Telluride | San Miguel | 2010-08-08 |
| Fort Carson | Project 25 | Phase I | Fort Carson | El Paso | 2023-08-07 |
| Fort Carson Army Base | Motorola | Type II SmartZone | Colorado Springs | El Paso | 2007-08-02 |
| Frontier Airlines | LTR | Standard | Denver | Denver | 2020-01-12 |
| Frontier Radio Communications 1 | Motorola | Type II Smartnet | Denver | Denver | 2018-07-20 |
| Frontier Radio Communications 2 | Motorola | Type II Smartnet | Denver | Denver | 2018-07-20 |
| Grazi Communications | LTR | Standard | Jefferson | Multi-County [3] | 2018-04-06 |
| Greater Services | Motorola | Type II | Whitewater | Mesa | 2016-02-01 |
| Hewlett Packard (Fort Collins B) | LTR | Standard | Fort Collins | Larimer | 2010-04-08 |
| Hyatt Regency Denver at Colorado Convention Center | LTR | Standard | Denver | Denver | 2018-11-12 |
| Intel Manufacturing Facility | Motorola | Type II Smartnet | Colorado Springs | El Paso | 2019-07-11 |
| JTC Communications | LTR | Standard | Clear Creek | 2020-09-17 | |
| JTC Communications NXDN | NXDN | NEXEDGE 9600 | Denver | Multi-County [3] | 2024-03-01 |
| Lakewood Public Works | EDACS | Standard w/ESK | Lakewood | Jefferson | 2016-12-17 |
| Larimer County Event Center | LTR | Standard | Fort Collins | Larimer | 2020-12-20 |
| Mountain Communications and Electronics | DMR | Motorola Connect Plus (TRBO) | COS & Denver Metro, I-70 | Multi-County [7] | 2023-11-22 |
| Mountain View Electric Association | LTR | Standard | Various | Multi-County [3] | 2021-06-06 |
| Mountain Village Regional Public Safety System | LTR | Passport | Mountain Village | Multi-County [2] | 2022-02-14 |
| Nextel (Colorado Springs) | Motorola | Type II Smartnet | Colorado Springs | El Paso | 2007-08-02 |
| Nextel (Whitewater) | Motorola | Type II | Whitewater | Mesa | 2016-02-01 |
| Peterson Air Force Base | Motorola | Type II Smartnet | Peterson AFB | El Paso | 2007-08-02 |
| Saint Vrain Valley School District | LTR | Standard | Plainview | Jefferson | 2018-09-11 |
| Snowmass Ski Resort | LTR | Standard | Snowmass Village | Pitkin | 2020-03-14 |
| St. Anthony's North Medical Center | DMR | Motorola Capacity Plus Single Site (TRBO) | Westminster | Adams | 2016-08-02 |
| St. Vrain Valley School District (Boulder) | LTR | Standard | Boulder | Boulder | 2022-09-19 |
| State of Colorado Site on Wheels | Project 25 | Phase I | Statewide | 2017-02-09 | |
| Steamboat Resort | LTR | Standard | Steamboat Springs | Routt | 2020-01-04 |
| Target Distribution Center | LTR | Standard | Pueblo | Pueblo | 2023-05-18 |
| Unidentified Federal Motorola 9F17 | Motorola | Type II Smartnet | Colorado Springs | El Paso | 2008-01-10 |
| United Airlines (Denver International Airport) | Motorola | Type II Smartnet | Denver | Denver | 2017-10-15 |
| United Airlines (Denver International Airport) | DMR | Motorola Capacity Plus Multi Site (TRBO) | Denver | Denver | 2017-10-17 |
| United Power Network | DMR | Conventional Networked | Coal Creek | Multi-County [4] | 2022-07-09 |
| United States Air Force Academy | Motorola | Type II SmartZone | Colorado Springs | El Paso | 2014-03-05 |
| University of Colorado (Denver) | Motorola | Type II Smartnet | Denver | Denver | 2009-01-25 |
| University of Colorado - Boulder | LTR | Standard | Boulder | Boulder | 2023-06-17 |
| US Army: Fort Carson | Motorola | Type II SmartZone | Colorado Springs | El Paso | 2011-02-27 |
| US Parking | Motorola | Type II Smartnet | Denver | Denver | 2009-10-14 |
| Vail Resorts | Motorola | Type II Smartnet | Vail | Eagle | 2008-05-31 |
| Vail Ski Resort | LTR | Passport | Vail | Eagle | 2019-03-30 |
| Valley Communications | Motorola | Type II | South Fork | Rio Grande | 2022-02-14 |
| Wheat Ridge | EDACS | Standard | Wheat Ridge | Jefferson | 2006-07-26 |
| Winter Park Resort | Motorola | Type I | Winter Park | Grand | 2010-12-18 |
| Wireless Advanced Communications | LTR | Standard | Boulder | Boulder | 2023-06-17 |
| Wireless Advanced Communications (Fort Collins) | LTR | Standard | Fort Collins | Larimer | 2014-02-27 |
| Xcel Energy Service (SmartNet) | Motorola | Type IIi Hybrid | Denver | Jefferson | 2009-01-15 |
| Xcel Energy Service (SmartZone) | Motorola | Type II SmartZone | Denver | Multi-County [3] | 2009-01-15 |