| Allcomm Wireless (Mississippi) | LTR | Standard | Columbus | Lowndes | 2004-01-09 |
| Beau Rivage Casino and Hotel | DMR | Motorola Connect Plus (TRBO) | Biloxi | Harrison | 2019-03-09 |
| Bolivar County 911 | Motorola | Type II SmartZone | Cleveland | Bolivar | 2015-06-09 |
| Boomtown Casino | LTR | Standard | Biloxi | Harrison | 2016-02-21 |
| Chevron Phillips Chemical Company | Project 25 | Phase II | Pascagoula | Jackson | 2021-06-25 |
| Columbus Light and Water | EDACS | Standard | Columbus | Lowndes | 2018-07-18 |
| ComSouth (Louin) | LTR | Standard | Louin | Jasper | 2011-03-07 |
| ComSouth (Maxie) | LTR | Standard | Maxie | Forrest | 2010-12-03 |
| ComSouth (McComb) | LTR | Standard | McComb | Pike | 2010-12-30 |
| ComSouth (Poplarville) | LTR | Standard | Poplarville | Pearl River | 2010-01-27 |
| ComSouth DMR - COMNET Mississippi | DMR | Motorola Connect Plus (TRBO) | Multiple | Multi-County [9] | 2023-05-23 |
| ComSouth UHF (Bogue Chitto) | LTR | Standard | Bogue Chitto | Lincoln | 2011-01-08 |
| Entergy | Project 25 | Phase II | Various | Multi-County [109] | 2024-11-17 |
| Ergon Refining | DMR | Motorola Capacity Plus Multi Site (TRBO) | Vicksburg | Warren | 2023-03-13 |
| Federal Correctional Institution: Yazoo City | Project 25 | Phase I | Yazoo City | Yazoo | 2014-06-30 |
| Gold Strike Casino Resort | DMR | Motorola Capacity Plus Single Site (TRBO) | Robinsonville | Tunica | 2012-01-03 |
| Hard Rock Hotel and Casino Biloxi | DMR | Motorola Capacity Plus Single Site (TRBO) | Biloxi | Harrison | 2018-11-11 |
| Harrison County Public Safety | EDACS | Standard | Gulfport, and 4 others. | Harrison | 2024-08-13 |
| Horseshoe Casino and Hotel | LTR | Standard | Robinsonville | Tunica | 2018-07-20 |
| Huntington Ingalls Industries | DMR | Motorola Capacity Plus Single Site (TRBO) | Pascagoula | Jackson | 2018-02-28 |
| Integrated Communications (Oxford) | LTR | Standard | Oxford | Lafayette | 2011-02-23 |
| Integrated Communications (Tupelo) | LTR | Standard | Tupelo | Lee | 2020-01-12 |
| IP Casino Resort Spa | NXDN | NEXEDGE 9600 | Biloxi | Harrison | 2023-09-18 |
| Island View Casino | DMR | Motorola Capacity Plus Single Site (TRBO) | Gulfport | Harrison | 2018-06-11 |
| Jackson Communications (460 MHz) | DMR | Motorola Capacity Plus Single Site (TRBO) | Jackson | Hinds | 2021-08-08 |
| Jackson County | Motorola | Type II SmartZone | Pascagoula | Jackson | 2024-09-12 |
| Jackson County Emergency Communication District | Project 25 | Phase II | Pascagoula | Jackson | 2024-11-20 |
| Jackson Public Works (Project 25) | Project 25 | Phase I | Jackson | Hinds | 2022-04-28 |
| Kimberly Clark Corporation | DMR | Motorola Capacity Plus Single Site (TRBO) | Corinth | Alcorn | 2024-06-17 |
| Lamar County | Motorola | Type II Smartnet | Purvis | Lamar | 2024-05-09 |
| Leading Edge Wireless | DMR | Motorola Capacity Plus Single Site (TRBO) | Hernando | DeSoto | 2018-03-16 |
| Leflore Communications (Carrolton) | LTR | Standard | Carrolton | Carroll | 2010-02-13 |
| Leflore Communications (Greenwood) | LTR | Standard | Greenwood | Leflore | 2010-02-13 |
| Leflore Communications (Indianola) | LTR | Standard | Indianola | Sunflower | 2010-02-13 |
| Margaritaville Resort | NXDN | NEXEDGE 4800 | Biloxi | Harrison | 2018-11-11 |
| Masonite | DMR | Motorola Capacity Plus Single Site (TRBO) | Laurel | Jones | 2019-04-14 |
| Mississippi Baptist Medical Center | NXDN | NEXEDGE 9600 | Jackson | Hinds | 2022-04-10 |
| Mississippi Wireless Information Network (MSWIN) | Project 25 | Phase II | Jackson | Statewide | 2024-11-20 |
| Modern Communications | Motorola | Type II | Greenwood | Leflore | 2013-04-18 |
| Modern Communications | Motorola | Type II | Greenville | Bolivar | 2010-08-22 |
| North Mississippi Two Way | LTR | Standard | Hernando | DeSoto | 2018-09-20 |
| Noxubee County P25 | Project 25 | Phase I | Macon | Noxubee | 2017-05-02 |
| Nucor Steel Jackson | DMR | Motorola Capacity Plus Single Site (TRBO) | Jackson | Rankin | 2024-10-21 |
| Oktibbeha County | Project 25 | Phase I | Starkville | Oktibbeha | 2024-09-03 |
| Ozborn Communications (IDAS) | NXDN | Icom IDAS Type D | Canton | Madison | 2022-04-10 |
| Patterson Communications | EDACS | Standard | Biloxi | Harrison | 2011-11-30 |
| Scarlet Pearl Casino | DMR | Motorola Capacity Plus Single Site (TRBO) | D'Iberville | Harrison | 2018-11-11 |
| Shank Communications (NexEDGE 96) | NXDN | NEXEDGE 9600 | Jackson, MS | Hinds | 2022-04-10 |
| Stennis Space Center | Motorola | Type II Smartnet | Stennis | Hancock | 2021-10-11 |
| Team One Communications | DMR | Motorola Capacity Plus Single Site (TRBO) | Gulfport | Harrison | 2018-06-07 |
| Telecomm Network (Gautier) | LTR | Standard | Gautier | Jackson | 2011-01-31 |
| Telecomm Network (Pascagoula) | LTR | Standard | Pascagoula | Jackson | 2011-01-31 |
| Teletec Communications | LTR | Standard | Shuqualak | Kemper | 2006-02-06 |
| Teletec Communications (Ackerman) | LTR | Standard | Ackerman | Choctaw | 2006-02-24 |
| Teletec Communications (Columbus) | LTR | Standard | Columbus | Lowndes | 2011-02-16 |
| Teletec Communications (Philadelphia) | LTR | Standard | Philadelphia | Neshoba | 2005-09-29 |
| Teletec Communications (Starkville) | LTR | Standard | Starkville | Oktibbeha | 2011-02-16 |
| Teletec Communications (Woodland) | LTR | Standard | Woodland | Chickasaw | 2010-02-16 |
| Tennessee FleetTalk | NXDN | NEXEDGE 4800 | Memphis | Multi-County [2] | 2024-04-20 |
| The Chemours Company | DMR | Motorola Capacity Plus Multi Site (TRBO) | Pass Christian | Harrison | 2024-05-03 |
| Tower Communications TRBO | DMR | Motorola Capacity Plus Single Site (TRBO) | Natchez | Adams | 2018-08-16 |
| Treasure Bay Resort Hotel and Casino | DMR | Motorola Capacity Plus Single Site (TRBO) | Biloxi | Harrison | 2022-12-27 |
| Tunica County | Motorola | Type II Smartnet | Tunica | Tunica | 2015-08-29 |
| United States Air Force (3D6) | Project 25 | Phase I | Various | Multi-County [24] | 2024-08-01 |
| United States Department of Defense (14C) | Project 25 | Phase I | Various | Multi-County [62] | 2024-09-10 |
| University of Mississippi Physical Plant | LTR | Standard | University | Lafayette | 2011-02-23 |
