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 These systems are either no longer in use or have been superceded by another system.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 |
|---|---|---|---|---|---|
| AAR Electronics | LTR | Standard | Houma | Terrebonne | 2009-01-10 |
| American Electric Power (AR/LA/TX) | EDACS | Networked Standard | Various | Multi-County [30] | 2022-05-31 |
| Ascension Parish Fire Departments | LTR | Standard | Gonzales | Ascension | 2021-01-28 |
| Ascension Parish Public Safety (Old/7421) | Motorola | Type II Smartnet | Gonzales | Ascension | 2010-03-03 |
| Ascension Parish Public Safety - East (C233) | Motorola | Type II SmartZone | Gonzales | Ascension | 2019-08-18 |
| Ascension Parish Public Safety - West (C319) | Motorola | Type II SmartZone | Donaldsonville | Ascension | 2019-08-18 |
| Avoyelles Parish Public Safety | EDACS | Standard | Avoyelles Parish | Avoyelles | 2020-01-29 |
| Barksdale Air Force Base | Motorola | Type II Smartnet | Bossier City | Bossier | 2020-10-03 |
| Barksdale Air Force Base | Project 25 | Phase I | Bossier City, LA | Bossier | 2020-10-11 |
| BASF/Shell Geismar | Project 25 | Phase II | Ascension | 2017-11-26 | |
| Baton Rouge Public Safety | Motorola | Type II Smartnet | Baton Rouge | Multi-County [2] | 2016-07-17 |
| BellSouth Telecommunications | Motorola | Type II SmartZone | Various | Multi-County [6] | 2009-11-10 |
| Bossier City Public Works | Motorola | Type II Smartnet | Bossier City | Bossier | 2020-10-03 |
| Bossier Parish Sheriff | Motorola | Type II SmartZone | Fillmore | Bossier | 2020-10-03 |
| Caddo Parish (Motorola) | Motorola | Type II SmartZone | Shreveport | Caddo | 2022-02-07 |
| Calcasieu Parish Public Safety | Motorola | Type II Smartnet | Calcasieu Parish | Calcasieu | 2021-04-16 |
| Checker Taxi (Gretna) | LTR | Standard | Gretna | Jefferson | 2020-04-04 |
| City of New Orleans Public Works | EDACS | Networked Standard | New Orleans | Orleans | 2012-07-24 |
| CLECO Power (Motorola) | Motorola | Type II SmartZone | Various | Multi-County [14] | 2022-04-27 |
| DEMCO Energy Services | MPT-1327 | Standard | Various | Multi-County [7] | 2019-10-03 |
| Disney Cruise Lines: Disney Wonder | Motorola | Type II Smartnet | Various | Multi-County [3] | 2024-02-18 |
| Dow Chemical - Plaquemine (P25) | Project 25 | Phase II | Plaquemine | Iberville | 2020-02-23 |
| East Baton Rouge Parish Public Safety | Motorola | Type II SmartZone | Baton Rouge | East Baton Rouge | 2016-07-17 |
| Entergy (Motorola) | Motorola | Type II SmartZone Omnilink | Statewide | Multi-County [66] | 2018-06-21 |
| Entergy Louisiana/Texas | Motorola | Type II SmartZone | New Orleans | Multi-County [18] | 2015-05-05 |
| Fort Polk | Project 25 | Phase I | Vernon Parish | Vernon | 2017-08-10 |
| Harrah's Casino New Orleans | Motorola | Type II Smartnet | New Orleans | Orleans | 2021-08-05 |
| Harrahs Casino Lake Charles | LTR | Standard | Lake Charles | Calcasieu | 2015-05-05 |
| Jefferson Parish - Public Safety (Backup P25) | Motorola | Type II SmartZone | Jefferson Parish | Multi-County [3] | 2011-03-26 |
| Jefferson Parish - Public Works | Motorola | Type II Smartnet | Jefferson Parish | Jefferson | 2016-10-25 |
| Kenner Public Safety | Motorola | Type II Smartnet | Kenner | Jefferson | 2006-08-09 |
| Lake Charles Public Safety | Motorola | Type II Smartnet | Lake Charles | Calcasieu | 2021-04-16 |
| Louisiana State Police Mobile Site | Motorola | Type II | Statewide | Statewide | 2015-05-05 |
| Louisiana State University | EDACS | Standard | Baton Rouge | East Baton Rouge | 2011-08-07 |
| Louisiana Superdome | Motorola | Type II Smartnet | New Orleans | Orleans | 2013-02-25 |
| Marathon Oil Refinery - Analog | Motorola | Type II Smartnet | Garyville | St. John The Baptist | 2009-10-12 |
| Marathon Oil Refinery - Legacy Analog | Motorola | Type II | Garyville | St. John The Baptist | 2009-09-07 |
| Marathon Oil Refinery - P25 | Project 25 | Phase I | Garyville | St. John The Baptist | 2009-09-07 |
| Motorola - NOLA Emergency [Dormant] | Motorola | Type II | New Orleans | Orleans | 2009-11-12 |
| Nalcom | LTR | Standard | Various | Multi-County [15] | 2013-10-05 |
| NASA Assembly Plant | EDACS | Standard | Michoud | Orleans | 2008-02-13 |
| NASA Michoud Assembly Facility | Motorola | Type II | New Orleans | Orleans | 2019-04-26 |
| New Orleans | Project 25 | Phase II | New Orleans | Multi-County [2] | 2024-03-17 |
| New Orleans Regional Transit Authority | Motorola | Type II Smartnet | New Orleans | Orleans | 2017-03-16 |
| Nextel (Houma) | Motorola | Type II Smartnet | Houma | Terrebonne | 2012-04-22 |
| North Oaks Medical Center | LTR | Standard | Hammond | Tangipahoa | 2021-11-28 |
| Orleans Parish | Motorola | Type II Smartnet | New Orleans | Orleans | 2019-09-22 |
| Ouachita Parish Sheriff | LTR | Standard | Ouachita Parish | Ouachita | 2020-08-02 |
| Pointe Coupee Parish Public Safety | EDACS | Standard | New Roads | Pointe Coupee | 2020-01-28 |
| Port of New Orleans - Legacy Analog Smartnet | Motorola | Type II Smartnet | New Orleans | Orleans | 2012-07-24 |
| Rapides Parish Communications Agency (Motorola) | Motorola | Type II SmartZone | Alexandria | Rapides | 2021-09-17 |
| Sasol (Formerly Condea Vista Chemical Company) | LTR | Standard | Westlake | Calcasieu | 2019-08-15 |
| Shell Oil Refinery | Motorola | Type II Smartnet | Norco | St. Charles | 2019-08-15 |
| Shreveport Communications (Monroe 800 MHz) | LTR | Standard | Monroe | Ouachita | 2019-09-19 |
| St John Parish Public Safety | Motorola | Type II Smartnet | LaPlace | St. John The Baptist | 2017-05-31 |
| St Martin Parish Public Safety | EDACS | Standard | St Martinville | St. Martin | 2016-06-16 |
| St. Bernard Public Safety | Project 25 | Phase I | Unknown | St. Bernard | 2006-09-02 |
| St. James Parish | Motorola | Type II Smartnet | St James Parish | St. James | 2013-05-19 |
| St. Landry Parish Communications District | Motorola | Type II Smartnet | Opelousas | St. Landry | 2021-05-12 |
| St. Tammany Parish Public Safety | EDACS | Standard | St. Tammany Parish | St. Tammany | 2016-08-14 |
| State of Louisiana - Legacy Analog SmartZone | Motorola | Type II SmartZone | Statewide | Statewide | 2011-01-06 |
| Sulphur Public Safety | Motorola | Type II Smartnet | Sulphur | Calcasieu | 2019-04-03 |
| Westlake Petrochemicals | Motorola | Type II Smartnet | Sulphur | Calcasieu | 2016-06-16 |