| Houston Police Department - All Districts | Harris | Public Safety | 80 |
| Amarillo Police and Fire | Potter | Public Safety | 76 |
| Texarkana Police and Bowie and Miller County Sheriff | Bowie | Public Safety | 61 |
| Harris County Law Enforcement - North | Harris | Public Safety | 47 |
| Jefferson County Public Safety | Jefferson | Public Safety | 46 |
| Travis County Law Enforcement | Travis | Public Safety | 43 |
| Bastrop County Law Enforcement / Fire / EMS | Bastrop | Public Safety | 42 |
| Houston County Fire/Law Dispatch, City of Crockett Law Dispatch | Houston | Public Safety | 40 |
| Galveston and La Marque Public Safety | Galveston | Public Safety | 37 |
| Caldwell County Sheriff, Lockhart and Luling Police | Caldwell | Public Safety | 33 |
| Lubbock City-County Public Safety | Lubbock | Public Safety | 30 |
| Wharton County Public Safety | Wharton | Public Safety | 29 |
| Guadalupe County Public Safety | Guadalupe | Public Safety | 27 |
| Kendall County Public Safety | Kendall | Public Safety | 27 |
| Smith County Sheriff, Tyler Police, and Tyler Fire | Smith | Public Safety | 26 |
| Houston Police Department and Harris County Constables | Harris | Public Safety | 26 |
| San Antonio Fire Dept Automated Dispatch | Bexar | Public Safety | 23 |
| Killeen Police and Fire | Bell | Public Safety | 23 |
| Ponderosa Fire | Harris | Public Safety | 19 |
| Cy-Fair Fire and EMS | Harris | Public Safety | 19 |
| Galena Park Fire | Harris | Public Safety | 19 |
| Dallas City Police - All Divisions Dispatch | Dallas | Public Safety | 18 |
| DeWitt County Sheriff and Fire, Cuero Police and EMS | DeWitt | Public Safety | 18 |
| Orange County Public Safety | Orange | Public Safety | 18 |
| Nacogdoches Public Safety | Nacogdoches | Public Safety | 18 |
| Houston Fire - Digital | Harris | Public Safety | 18 |
| Bexar County Fire and EMS | Bexar | Public Safety | 17 |
| Nolan County Public Safety | Nolan | Public Safety | 17 |
| Brazos County Area Fire and EMS | Brazos | Public Safety | 17 |
| Gainesville / Cooke County Public Safety | Cooke | Public Safety | 16 |
| Jim Wells County Public Safety | Jim Wells | Public Safety | 16 |
| Fort Bend County Law Enforcement | Fort Bend | Public Safety | 16 |
| WA5AIR South Coast Reflector | Harris | Amateur Radio | 14 |
| Hardin County Public Safety | Hardin | Public Safety | 14 |
| Hays County Fire and EMS - North | Hays | Public Safety | 14 |
| Calhoun County Sheriff, Fire, and EMS | Calhoun | Public Safety | 13 |
| KE5MS Group - TGIF Network TG 32682 | Harris | Amateur Radio | 13 |
| South Houston Fire | Harris | Public Safety | 13 |
| Ellington Airport (KEFD), Houston Approach/Departure (KHOU) | Harris | Aviation | 12 |
| Parker County Public Safety | Parker | Public Safety | 12 |
| Lake Livingston Area Wide Public Safety | Polk | Public Safety | 10 |
| Uvalde County Law Enforcement (GATRRS) | Uvalde | Public Safety | 10 |
| Walker County Public Safety | Walker | Public Safety | 9 |
| Collin County Sheriff, Plano, Allen, Murphy, Colony, Frisco, and Prosper Police | Collin | Public Safety | 9 |
| San Patricio County Sheriff Dispatch | San Patricio | Public Safety | 9 |
| Comal County Fire/EMS Dispatch | Comal | Public Safety | 8 |
| Wichita Falls Area Law Enforcement | Archer | Public Safety | 7 |
| Deaf Smith County Sheriff, Hereford Police and Fire | Deaf Smith | Public Safety | 7 |
| Rusk County Public Safety | Rusk | Public Safety | 7 |
| The Colony Police, Fire and EMS | Denton | Public Safety | 7 |
| Collin County Public Safety | Collin | Public Safety | 7 |
| North Harris, Montgomery, Waller and Walker Counties Fire and EMS | Harris | Public Safety | 6 |
| Ennis Police and Fire, Ellis County Sheriff | Ellis | Public Safety | 6 |
| N Galveston, E Brazoria Co Fire/EMS | Galveston | Public Safety | 5 |
| West of Town Amateur Radio - Simplex | Tarrant | Amateur Radio | 5 |
| Matagorda County Public Safety | Matagorda | Public Safety | 5 |
| Johnson/Tarrant County Fire | Johnson | Public Safety | 5 |
| Dallas City Police - North Central Dispatch | Dallas | Public Safety | 5 |
| Burleson County Sheriff, Fire and EMS | Burleson | Public Safety | 5 |
| Rockwall City Police, Fire, and EMS | Rockwall | Public Safety | 5 |
| McKinney Fire and EMS | Collin | Public Safety | 4 |
| Williamson County (TX) Amateur Radio Emergency Service (ARES) | Williamson | Amateur Radio | 4 |
| Bryan Fire | Brazos | Public Safety | 4 |
| Austin Metro Area Amateur Repeaters | Travis | Amateur Radio | 4 |
| Medina County Sheriff | Medina | Public Safety | 4 |
| Llano County Fire and EMS Dispatch | Llano | Public Safety | 4 |
| Bosque and Surrounding Counties Public Safety | Bosque | Public Safety | 4 |
| Sabine County Firefighters Association | Sabine | Public Safety | 4 |
| New Braunfels Fire Department | Comal | Public Safety | 4 |
| Stafford, Missouri City and Meadows Place Police and Fire | Fort Bend | Public Safety | 4 |
| NOAA Weather Radio - Houston Area (KGG68) | Brazoria | Other | 4 |
| Tyler Area NOAA Weather Radio WXK36 | Anderson | Other | 4 |
| Zapata County Sheriff Dispatch | Zapata | Public Safety | 4 |
| Lubbock Area NOAA Weather Radio WXK79 | Cochran | Other | 4 |
| Palestine Area NOAA Weather Radio KWN34 | Anderson | Other | 4 |
| Jackson County Public Safety | Jackson | Public Safety | 4 |
| Seabrook Public Safety | Harris | Public Safety | 3 |
| Waller County Fire and EMS | Waller | Public Safety | 3 |
| Sugar Land Police, Fire, and EMS | Fort Bend | Public Safety | 3 |
| La Salle County Public Safety | La Salle | Public Safety | 3 |
| Wise County Fire/EMS | Wise | Public Safety | 3 |
| NOAA Weather Radio San Antonio (WXK67) | Atascosa | Other | 3 |
| W5NGU 146.9200 MHz Denton County ARA | Denton | Amateur Radio | 3 |
| Prosper Fire and EMS | Collin | Public Safety | 3 |
| Addison, Carrollton, Coppell, and Farmers Branch Fire | Dallas | Public Safety | 3 |
| Three Rivers Fire Dispatch | Live Oak | Public Safety | 3 |
| Central Panhandle Counties Public Safety | Armstrong | Public Safety | 3 |
| Webster Area Public Safety | Harris | Public Safety | 3 |
| Graham Fire | Young | Public Safety | 3 |
| Jim Hogg County Sheriff Dispatch. | Jim Hogg | Public Safety | 2 |
| Lake Jackson Fire | Brazoria | Public Safety | 2 |
| Dallas City Fire and Rescue Dispatch | Dallas | Public Safety | 2 |
| KC5EZZ 444.2250 MHz Weather Link System | Tom Green | Amateur Radio | 2 |
| Alvin Public Safety | Brazoria | Public Safety | 2 |
| Grayson County Amateur Repeaters | Grayson | Amateur Radio | 2 |
| Taylor County Fire and EMS Departments | Taylor | Public Safety | 2 |
| Hidalgo County Public Safety | Hidalgo | Public Safety | 2 |
| RockdaleVFD | Milam | Public Safety | 2 |
| North Liberty County Fire | Liberty | Public Safety | 2 |
| Smith County Emergency Communications | Smith | Public Safety | 2 |