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 These systems are either no longer in use or have been superceded by another system.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 |
|---|---|---|---|---|---|
| Aiken Electric Cooperative | Motorola | Type II SmartZone | Aiken | Aiken | 2008-05-20 |
| Beaufort County Military | Project 25 | Phase I | Beaufort | Beaufort | 2017-06-22 |
| Beaufort County Public Safety | Motorola | Type II Smartnet | Beaufort County | Beaufort | 2014-08-25 |
| BellSouth | Motorola | Type II SmartZone | Various | Multi-County [15] | 2010-10-10 |
| BellSouth - SC | Motorola | Type II SmartZone | Various | Multi-County [23] | 2010-10-10 |
| Blue Ridge Electric | DMR | Motorola Connect Plus (TRBO) | Varies | Oconee | 2020-12-29 |
| Charleston City Public Safety | Motorola | Type II Smartnet | Charleston | Charleston | 2021-12-29 |
| Charleston County Public Safety | Motorola | Type II Smartnet | Charleston | Charleston | 2011-12-08 |
| Communication Service Center - 2F1A | Motorola | Type IIi Hybrid | Travelers Rest | Greenville | 2018-03-15 |
| Communication Service Center - 382F | Motorola | Type IIi Hybrid | Travelers Rest | Greenville | 2008-03-17 |
| Communication Service Center - 382F | Motorola | Type IIi Hybrid | Travelers Rest | Greenville | 2017-02-15 |
| Florence County Public Safety | Motorola | Type II Smartnet | Florence | Florence | 2015-02-06 |
| Fort Gordon/Fort Jackson | Project 25 | Phase I | Augusta/Columbia | Multi-County [2] | 2014-08-04 |
| Fort Jackson | Motorola | Type II Smartnet | Columbia | Richland | 2005-10-03 |
| Horry County (Motorola) | Motorola | Type II Smartnet | Myrtle Beach | Horry | 2017-04-06 |
| Marine Corps Recruit Depot Parris Island | LTR | Standard | Parris Island | Beaufort | 2019-07-11 |
| Marion County SC Public Safety | Motorola | Type II Smartnet | Marion County | Marion | 2019-11-24 |
| Mobile Communications America Passport | LTR | Passport | Multi-County [6] | 2023-06-07 | |
| Myrtle Beach Communications (Motorola) | Motorola | Type II Smartnet | Myrtle Beach | Horry | 2019-08-12 |
| Myrtle Beach Communications (Surfside Beach) | Motorola | Type IIi Hybrid | Surfside Beach | Horry | 2018-03-26 |
| Myrtle Beach Communications, Inc. | Motorola | Type II Smartnet | Myrtle Beach | Horry | 2006-11-03 |
| Myrtle Beach Public Safety | Motorola | Type II Smartnet | Myrtle Beach | Horry | 2018-01-04 |
| Nextel (Bluffton) | Motorola | Type I | Bluffton | Beaufort | 2016-01-30 |
| North Myrtle Beach Public Safety | Motorola | Type II Smartnet | North Myrtle Beach | Horry | 2009-05-29 |
| Palmetto 800 | Motorola | Type II SmartZone | Various | Multi-County [17] | 2017-10-24 |
| Pickens County | DMR | Motorola Capacity Plus Single Site (TRBO) | Pickens | Pickens | 2017-10-05 |
| Progress Energy (423E) | Motorola | Type II | Various | Multi-County [9] | 2009-03-15 |
| R.G. Strickland | LTR | Standard | Chester | Multi-County [2] | 2015-03-18 |
| Richburg Communications | LTR | Standard | Chester | Chester | 2019-11-25 |
| Shaw Air Force Base | Project 25 | Phase I | Sumter | Sumter | 2024-06-17 |
| South Carolina FleetTalk | NXDN | NEXEDGE 4800 | Various | Multi-County [27] | 2019-08-29 |
| South Carolina Port Authority | EDACS | Standard | Charleston | Charleston | 2016-01-09 |
| South Carolina Public Service Authority | Motorola | Type II SmartZone | Various | Multi-County [39] | 2019-01-08 |
| Stewart Enterprises | LTR | Standard | Rock Hill | York | 2020-12-07 |
| Sumter County Public Safety | Motorola | Type II Smartnet | Sumter City | Sumter | 2016-07-09 |
| T-B Comm, Inc. | Motorola | Type IIi Hybrid | Hilton Head Island | Beaufort | 2017-06-28 |
| Unidentified Federal Motorola 5627 | Motorola | Type II Smartnet | Unknown | Multi-County [3] | 2013-09-03 |
| Waccamaw Wireless, LLC | Motorola | Type IIi Hybrid | Myrtle Beach | Horry | 2009-08-06 |
| Walt Disney World | DMR | Motorola Capacity Plus Multi Site (TRBO) | Lake Buena Vista | Multi-County [4] | 2021-01-02 |
| WMUU-Bob Jones University | Motorola | Type IIi Hybrid | Greenville | Greenville | 2018-03-19 |
| WMUU/Bob Jones University | Motorola | Type IIi Hybrid | Greenville | 2008-03-17 |