| County or Counties in Which ESD is Located | ESD Name (i.e., Buffalo County ESD No. 99) |
| Austin | Austin County Emergency Services District #1 |
| Austin | Austin County Emergency Services District No. 2 |
| Austin | Austin County ESD #3 |
| Bastrop | Bastrop County ESD #3 |
| Bee County | South Bee County ESD #4 |
| Bell | Bell County ESD #1 |
| Bexar County | Bexar County ESD No. 3 |
| Bexar | Bexar County ESD 4 |
| Bexar | Bexar County ESD 6 |
| Bexar | Bexar County Emergency Services District No. 10 |
| Bexar County | Bexar County ESD 11 |
| Blanco | North Blanco County ESD 1 |
| Bosque | Bosque County ESD No. 1 |
| Bowie | Bowie County ESD No. 5 |
| Brazoria | Brazoria County ESD No. 2 |
| Brazoria | Brazoria County ESD No. 3 |
| BRAZORIA | BRAZORIA COUNTY ESD NO. 4 |
| Brazoria County | Brazoria County Emergency Services District No. 6 |
| Brazos | Brazos County ESD 1 |
| Brazos | Brazos County ESD 2 |
| Brazos | Brazos County ESD No. 3 |
| Brazos | Brazos County ESD 4 |
| Burnet | Burnet County ESD No. 2 |
| Burnet | Burnet County ESD No. 3 |
| Caldwell County | Caldwell County ESD No. 2 |
| Caldwell County | Caldwell County ESD No. 5 |
| Carson County | Carson County Emergency Services District No. 2 |
| Carson County | Carson County ESD No.1 |
| Cass | Cass County Emergency Services District #2 |
| Clay | Clay County ESD #2 |
| Coke | Coke County ESD No.1 |
| Comal | Comal County ESD 1 |
| Comal | Comal County ESD No. 2 |
| Comal | Comal County ESD No. 3 |
| Comal | Comal County ESD No. 4 |
| Comal; | Comal County ESD No. 5 |
| Comal | Comal County Emergency Services District No. 6 |
| Comal | Comal County Emergency Services District No. 7 |
| Crane County | Crane County Emergency Services District No. 1 |
| Delta | Delta County Emergency Services District #1 |
| Denton County | Denton County ESD 1 |
| Denton | Denton County ESD No. 2 |
| Ector | Ector County Emergency Services District No. 1 |
| Ector | Ector County Emergency Services District No. 2 |
| Ellis | Ellis County ESD #1 |
| Ellis | Ellis County ESD No. 2 |
| Ellis | Ellis County ESD No. 4 |
| Ellis | Ellis County ESD No. 6 |
| Ellis | Ellis County ESD No. 9 |
| Ellis County, | Ellis County ESD No. 12 |
| Falls County | Falls County ESD No. 1 |
| Fort Bend | Fort Bend County ESD No. 1 |
| Fort Bend | Fort Bend County ESD 2 |
| Fort Bend County | Fort Bend County Emergency Services District No. 3 |
| FORT BEND | FORT BEND COUNTY ESD NO. 4 |
| Fort Bend County | Fort Bend County Emergency Services District No. 5 |
| Fort Bend | Fort Bend County ESD No. 6 |
| Fort Bend | Fort Bend County ESD No. 7 |
| Fort Bend | Fort Bend County ESD No. 8 |
| Fort Bend | Fort Bend County ESD No. 9 |
| Fort Bend County | Fort Bend County ESD No. 10 |
| Galveston | Galveston County ESD No. 1 |
| Galveston | Galveston County ESD No. 2 |
| Hardin | Hardin County ESD #2 |
| Hardin | Hardin County Emergency Service District #7 |
| Hardin, Tyler | Village Mills ESD No. 8 |
| Harris | Harris County ESD No. 2 |
| Harris | Harris County ESD No. 3 |
| Harris | Harris County ESD No. 4 |
| Harris County | Harris County Emergency Services District No. 5 |
| Harris | Harris County ESD No. 7 |
| Harris | Harris County ESD No. 8 |
| Harris | Harris County ESD No. 9 |
| Harris | Harris County ESD No. 10 |
| Harris | Harris County ESD No. 11 |
| Harris | Harris County ESD No. 12 |
| Harris | Harris County ESD No. 13 |
| Harris | Harris County ESD No. 14 |
| Harris | Harris County ESD No. 15 |
| Harris | Harris County ESD No. 16 |
| Harris | Harris County ESD No. 17 |
| Harris | Harris County ESD No. 21 |
| Harris | Harris County ESD No. 24 |
| Harris | Harris County ESD No. 25 |
| Harris | Harris County ESD No. 28 |
| Harris | Harris County ESD No. 29 |
| Harris | Harris County ESD No. 46 |
| Harris | Harris County ESD No. 48 |
| Harris | Harris County ESD No. 50 |
| Harris | Harris County ESD No. 60 |
| Harris County | Harris County Emergency Services District No. 75 |
| Harris | Harris County ESD No. 80 |
| Harris, Fort Bend | Harris-Fort Bend ESD No. 100 |
| Hays | North Hays County ESD #1 |
| Hays | Hays County ESD No. 5 |
| Hays | Hays County ESD No. 6 |
| Hays | Hays County ESD #9 |
| Henderson | Henderson County ESD #2 |
| Henderson | Henderson County ESD No 3 |
| Henderson | Henderson County ESD 4 |
| Henderson | Henderson County ESD No. 6 |
| Henderson | Henderson County ESD No. 8 |
| Henderson | Henderson County ESD 12 |
| Hidalgo | Hidalgo County ESD No. 5 |
| Hidalgo | Hidalgo County ESD No. 6 |
| Hill | Hill County ESD #2 |
| Houston County | Houston County Emergency Services District No. 2 |
| Jasper | Jasper County ESD #4 |
| Jefferson | Jefferson County ESD No. 3 |
| Jefferson | Jefferson County ESD No. 4 |
| Jefferson | Jefferson County ESD No. 5 |
| Jim Wells County | Jim Wells County ESD No.1 |
| Jim Wells County | Jim Wells ESD No. 2 |
| Johnson | Johnson County ESD No. 1 |
| Kaufman County | Kaufman County ESD 3 |
| Kaufman County | Kaufman County ESD 4 |
| Kaufman | Kaufman County ESD No 7 |
| Kerr | Kerr County ESD No. 3 |
| Leon County | Southeast Leon County ESD #1 |
| Leon | Leon County ESD No. 2 |
| Liberty | Liberty County ESD No. 7 |
| Limestone | Limestone County ESD No. 2 |
| Live Oak | Live Oak County ESD 1 |
| Llano | Llano County ESD No. 2 |
| Llano | Llano County ESD No. 5 |
| Medina | Medina County ESD #1 |
| Medina | Medina County ESD #2 |
| Medina | Medina County ESD No. 3 |
| Medina | Medina County ESD No. 5 |
| Milam | Milam County Emergency Services District No. 1 |
| Montgomery | Montgomery County ESD 1 |
| Montgomery | Montgomery County ESD No. 2 |
| Montgomery | Montgomery County ESD No. 3 |
| Montgomery | Montgomery County ESD No. 4 |
| Montgomery | Montgomery County ESD No. 6 |
| Montgomery | Montgomery County ESD No. 7 |
| Montgomery | Montgomery County ESD No. 8 |
| Montgomery | Montgomery County ESD No. 10 |
| Montgomery | Montgomery County ESD 14 |
| Navarro | Navarro County Emergency Service Dist #1 |
| Nueces | Nueces County ESD No. 1 |
| Nueces | Nueces County ESD No. 4 |
| Nueces | Nueces County Emergency Services District #6 |
| Orange County | Orange County ESD #1 |
| Orange | Orange County ESD No 2 |
| Palo Pinto County | Palo Pinto County ESD No. 1 |
| Panola | Panola County ESD #1 |
| Parker | Parker County Emergency Services District #7 |
| Parker Counity | Parker County ESD 8 |
| Rains | Rains County ESD 1 |
| Reeves | Reeves County ESD No. 1 |
| Reeves | Reeves County ESD No. 2 |
| Roberts County | Roberts County ESD No. 1 |
| Robertson County | Robertson County ESD |
| Rusk | Rusk County ESD No. 1 |
| San Jacinto | San Jacinto County ESD |
| Smith | Smith County Emergency Services District No. 1 |
| SMITH | SMITH COUNTY ESD 2 |
| Tarrant County | Tarrant County Emergency Services District No. 1 |
| Travis County | Travis County Emergency Service District No. 2 |
| Travis | Travis County ESD 8 |
| Travis | Travis County ESD 9 |
| Travis | Travis County Emergency Services District No. 10 |
| Travis County | Travis County ESD No. 12 |
| Travis County | Travis County ESD No. 14 |
| Travis County | Travis County Emergency Services District No. 17 |
| TYLER | TYLER COUNTY ESD #5 |
| Upshur County | Upshur County ESD #1 |
| Upshur | Upshur County ESD No. 2 |
| Van Zandt | Van Zandt County ESD No. 2 |
| Van Zandt | Van Zandt ESD No. 3 |
| Van Zandt County | Van Zandt County ESD 4 |
| Walker | Walker County ESD No. 1 |
| Walker | Walker County ESD No. 3 |
| Waller and Harris | Waller-Harris ESD No. 200 |
| Wharton | Wharton County ESD No. 3 |
| Williamson | Williamson County ESD #1 |
| Williamson | Williamson County Emergency Services District No. 4 |
| Williamson | Williamson County ESD 5 |
| Williamson | Williamson County Emergency Services District No. 6 |
| WILLIAMSON | WILLIAMSON COUNTY ESD NO 7 |
| Williamson County | Williamson County ESD #10 |
| Williamson | Williamson County ESD No. 11 |
| Williamson | Williamson County ESD 12 |
| Wilson County | Wilson County ESD 2 |
| Wise | Wise County ESD No. 2 |
