| Harris County - Central Technology Center | Harris | 29.84303 | -95.47119 | 34 |
| Walker County - Law Enforcement | Walker | 30.77252 | -95.52063 | 21 |
| Matagorda County - Bay City | Matagorda | 28.98277 | -95.96352 | 2.5 |
| Houston High Intensity Drug Trafficking Area (HIDTA) | Harris | 29.76328 | -95.36327 | 80 |
| Montgomery County Services | Montgomery | 30.3397 | -95.51788 | 28 |
| Harris County - Schools | Harris | 29.83356 | -95.50022 | 35 |
| Montgomery County - Communities | Montgomery | 30.3397 | -95.51788 | 28 |
| Matagorda County | Matagorda | 28.8 | -95.98 | 29 |
| Matagorda County - Other Communities | Matagorda | 28.71317 | -96.22994 | 3 |
| Harris County - Pasadena - Police | Harris | 29.69 | -95.21 | 6 |
| Montgomery County Sheriff | Montgomery | 30.3397 | -95.51788 | 28 |
| Montgomery County Constable | Montgomery | 30.3397 | -95.51788 | 28 |
| Texas DPS Region 2A Houston | | 29.76328 | -95.36327 | 66 |
| Montgomery County Commissioner | Montgomery | 30.3397 | -95.51788 | 28 |
| Harris County Sheriff | Harris | 29.84303 | -95.47119 | 34 |
| Brazoria County | Brazoria | 29.2 | -95.43 | 30 |
| Metropolitan Transit Authority of Harris County | Harris | 29.84303 | -95.47119 | 34 |
| Wharton County | Wharton | 29.30556 | -96.22101 | 24 |
| Galveston County | Galveston | 29.45873 | -94.81476 | 25 |
| Texas Medical Center (Houston) | Harris | 29.71 | -95.4 | 2 |
| Harris County - Other Public Safety | Harris | 29.84303 | -95.47119 | 34 |
| Montgomery County - Fire/EMS | Montgomery | 30.3397 | -95.51788 | 28 |
| Austin County | Austin | 29.89662 | -96.26221 | 24 |
| Federal | | 0 | 0 | 0 |
| Texas Alcoholic Beverage Commission | | 29.97397 | -97.0752 | 230 |
| Interoperability - Zone 76 | | 29.97397 | -97.0752 | 230 |
| UT Health East Texas | | 29.97397 | -97.0752 | 230 |
| Smith County | Smith | 32.42 | -95.27 | 26 |
| Smith County - Other Communities | Smith | 32.42 | -95.27 | 26 |
| Smith County - Tyler | Smith | 32.36 | -95.3 | 4 |
| Gregg County - Longview | Gregg | 32.47 | -94.78 | 14 |
| East Texas Public Safety Shared | | 29.97397 | -97.0752 | 230 |
| UT Health East Texas - Hospitals | | 29.97397 | -97.0752 | 230 |
| College and University | | 29.97397 | -97.0752 | 230 |
| Washington County - Sheriff | Washington | 30.2211 | -96.43524 | 21 |
| Liberty County | Liberty | 30.12612 | -94.78729 | 26 |
| Chambers County | Chambers | 29.72 | -94.67 | 22 |
| TxDOT - Houston District | | 29.76328 | -95.36327 | 70 |
| Miscellaneous | | 29.97397 | -97.0752 | 230 |
| Brazos County | Brazos | 30.65 | -96.29 | 22 |
| Brazos County - Bryan Police | Brazos | 30.67 | -96.37 | 10 |
| Brazos County - College Station Police | Brazos | 30.62 | -96.31 | 12 |
| Grimes County | Grimes | 30.59191 | -95.99241 | 30 |
| Washington County - Brenham | Washington | 30.16 | -96.4 | 10 |
| Grimes County - Navasota | Grimes | 30.38798 | -96.08773 | 10 |
| Burleson County | Burleson | 29.97 | -97.075 | 25 |
| Brazos County - Bryan Public Works | Brazos | 30.67 | -96.37 | 10 |
| Brazos County - Bryan Fire/EMS | Brazos | 30.67 | -96.37 | 10 |
| Brazos Valley Area Wide Area Communications System | | 30.53 | -96.36 | 42 |
| Harris County - Tomball | Harris | 30.1 | -95.62 | 6 |
| Railroad Police | | 29.97397 | -97.0752 | 230 |
| Texas Parks and Wildlife | | 29.97397 | -97.0752 | 230 |
| Houston - Police - Investigative Operations | Harris | 29.76 | -95.36 | 25 |
| Interoperability - Zone 78 | | 29.97397 | -97.0752 | 230 |
| Houston - Administration and Regulatory Affairs | Harris | 29.76328 | -95.36327 | 25 |
| Houston - Parks and Recreation | Harris | 29.76328 | -95.36327 | 25 |
| Houston - Public Works and Engineering | Harris | 29.76328 | -95.36327 | 25 |
| Houston - Public Works and Engineering - Public Utilities | Harris | 29.76328 | -95.36327 | 25 |
| Houston - Emergency Management | Harris | 29.76328 | -95.36327 | 25 |
| Houston - Solid Waste Management | Harris | 29.76328 | -95.36327 | 25 |
| Houston - Health and Human Services | Harris | 29.76328 | -95.36327 | 25 |
| Houston - General Services | Harris | 29.76328 | -95.36327 | 25 |
| Houston - Mayor's Office | Harris | 29.76328 | -95.36327 | 25 |
| Harris County - Hedwig Village | Harris | 29.78 | -95.52 | 2 |
| Harris County - Memorial Villages Fire Department | Harris | 29.77 | -95.51 | 3 |
| Houston - Incident Command System | Harris | 29.76328 | -95.36327 | 25 |
| Harris County - Spring Valley | Harris | 29.79 | -95.5 | 2 |
| Harris County - Memorial Village Police Department | Harris | 29.7 | -95.51 | 3 |
| Harris County Constables | Harris | 29.84303 | -95.47119 | 34 |
| Harris County Toll Road Authority | Harris | 29.84303 | -95.47119 | 34 |
| Houston - Fire/EMS - Dispatch/Operations | Harris | 29.76 | -95.36 | 25 |
| Harris County - Bellaire | Harris | 29.7 | -95.46 | 3 |
| Interoperability - Zone 77 Inter-RF Subsystem Interface (ISSI) | | 29.97397 | -97.0752 | 230 |
| Interoperability - Zone 75 | | 29.97397 | -97.0752 | 230 |
| Houston - Special Events | Harris | 29.76328 | -95.36327 | 25 |
| Harris County Commissioner | Harris | 29.84303 | -95.47119 | 34 |
| Harris County - Jersey Village | Harris | 29.89 | -95.57 | 4 |
| Interoperability - Law Enforcement | | 29.97397 | -97.0752 | 230 |
| Texas Department of State Health Services | | 29.97397 | -97.0752 | 230 |
| Houston Airport System - Bush Intercontinental Airport | Harris | 29.98 | -95.335 | 4 |
| Houston Independent School District | Harris | 29.76171 | -95.35984 | 25 |
| Houston Airport System - Hobby Airport | Harris | 29.65 | -95.28 | 2 |
| Houston Airport System - Ellington Airport | Harris | 29.61 | -95.16 | 2 |
| Houston - Information Technology | Harris | 29.76328 | -95.36327 | 25 |
| Houston - Police - Field Operations | Harris | 29.76 | -95.36 | 25 |
| Houston - Police - Homeland Security Command | Harris | 29.76 | -95.36 | 25 |
| Houston - Fire/EMS - Special Operations | Harris | 29.76 | -95.36 | 25 |
| Houston - Fire/EMS - Investigations/Inspections | Harris | 29.76 | -95.36 | 25 |
| Houston - Fire/EMS - Training | Harris | 29.76 | -95.36 | 25 |
| Houston - Fire/EMS - Hospital | Harris | 29.76 | -95.36 | 25 |
| Fort Bend County - Katy | Fort Bend | 29.79 | -95.82 | 5 |
| Texas Anti-Gang | | 29.97397 | -97.0752 | 230 |
| Harris County Volunteer Fire/EMS | Harris | 0 | 0 | 0 |
| Harris County - West University | Harris | 29.97 | -97.08 | 3 |
| Harris County - Southside Place | Harris | 0 | 0 | 0 |
| Harris County - Baytown | Harris | 29.7355 | -94.97743 | 20 |
| Harris County - Humble | Harris | 0 | 0 | 0 |
| Harris County - Webster | Harris | 29.54 | -95.12 | 5 |
| Galveston County - League City | Galveston | 29.97397 | -97.0752 | 23 |
| Fort Bend County - Stafford | Fort Bend | 29.97397 | -97.0752 | 230 |
| Galveston County - La Marque | Galveston | 29.36857 | -94.97131 | 5 |
| Galveston County - Texas City | Galveston | 29.97397 | -97.0752 | 230 |
| Galveston County - Friendswood | Galveston | 29.97397 | -97.0752 | 230 |
| Harris County - Seabrook | Harris | 29.97397 | -97.0752 | 230 |
| Harris County - La Porte | Harris | 0 | 0 | 0 |
| Brazoria County - Pearland | Brazoria | 29.56 | -95.29 | 8 |
| Galveston County - Santa Fe | Galveston | 0 | 0 | 0 |
| Galveston County - Galveston | Galveston | 29.97397 | -97.0752 | 230 |
| Galveston County - Hitchcock | Galveston | 0 | 0 | 0 |
| Galveston County - Other Communities | Galveston | 0 | 0 | 0 |
| Galveston County - Kemah | Galveston | 0 | 0 | 0 |
| Galveston County - Dickinson | Galveston | 0 | 0 | 0 |
| Chambers County - Mont Belvieu | Chambers | 29.97397 | -97.0752 | 230 |
| Galveston County - Jamaica Beach | Galveston | 29.97397 | -97.0752 | 230 |
| Galveston County - Port of Galveston | Galveston | 29.97397 | -97.0752 | 230 |
| Galveston County Sheriff | Galveston | 29.337 | -94.795 | 31 |
| Galveston County Health District | Galveston | 0 | 0 | 0 |
| Galveston County Constables | Galveston | 0 | 0 | 0 |
| Brazoria County Sheriff | Brazoria | 29.2 | -95.43 | 30 |
| Harris County Mutual Aid | Harris | 0 | 0 | 0 |
| Air Medical | | 29.76328 | -95.36327 | 70 |
| Harris County - Deer Park | Harris | 29.7052 | -95.1238 | 5 |
| Texas A&M University (College Station) | Brazos | 30.61256 | -96.34366 | 5 |
| University of Texas (Houston) | Harris | 29.70417 | -95.3956 | 2 |
| Brazoria County - Alvin | Brazoria | 29.42 | -95.24 | 10 |
| Brazoria County - Angleton | Brazoria | 29.17 | -95.43 | 10 |
| Brazoria County - Freeport | Brazoria | 28.95 | -95.36 | 10 |
| Brazoria County - Sweeny | Brazoria | 29.04 | -95.7 | 5 |
| Brazoria County - Lake Jackson | Brazoria | 29.03 | -95.43 | 10 |
| Brazoria County - Surfside | Brazoria | 28.94 | -95.29 | 5 |
| Brazoria County - Manvel | Brazoria | 29.46 | -95.36 | 10 |
| Brazoria County - West Columbia | Brazoria | 29.14 | -95.65 | 5 |
| Brazoria County - Clute | Brazoria | 29 | -95.4 | 10 |
| Rice University | Harris | 29.71743 | -95.40172 | 4 |
| Houston Community College | Harris | 29.75506 | -95.45368 | 20 |
| Fort Bend County Sheriff | Fort Bend | 29.97397 | -97.0752 | 230 |
| Fort Bend County EMS | Fort Bend | 29.97397 | -97.0752 | 230 |
| Fort Bend County Other Public Safety | Fort Bend | 29.97397 | -97.0752 | 230 |
| Fort Bend County Miscellaneous | Fort Bend | 29.97397 | -97.0752 | 230 |
| Fort Bend County - Missouri City | Fort Bend | 29.97397 | -97.0752 | 230 |
| Fort Bend County - Richmond | Fort Bend | 29.97397 | -97.0752 | 230 |
| Fort Bend County - Other Communities | Fort Bend | 29.97397 | -97.0752 | 230 |
| Fort Bend County - Rosenberg | Fort Bend | 29.97397 | -97.0752 | 230 |
| Fort Bend County - Sugar Land | Fort Bend | 29.97397 | -97.0752 | 230 |
| Colorado County | Colorado | 29.62876 | -96.52893 | 26 |
| Texas A&M University (Galveston) | Galveston | 29.30135 | -94.7977 | 4 |
| Harris County - Galena Park | Harris | 0 | 0 | 0 |
| Harris County Miscellaneous | Harris | 0 | 0 | 0 |
| Liberty County - Liberty | Liberty | 30.05961 | -94.793 | 3 |
| Walker County - Huntsville | Walker | 30.72 | -95.55 | 10 |
| University of Texas Medical Branch (Galveston) | Galveston | 29.30135 | -94.7977 | 5 |
| Port of Houston Authority | Harris | 0 | 0 | 0 |
| Waller County - Law Enforcement | Waller | 30.00078 | -96.00079 | 21 |
| Private Ambulance Services | | 29.97397 | -97.0752 | 230 |
| Texas Forest Service | | 29.97397 | -97.0752 | 230 |
| San Jacinto County | San Jacinto | 30.59242 | -95.12938 | 25 |
| Harris County - Nassau Bay | Harris | 0 | 0 | 0 |
| Galveston County Services | Galveston | 29.97397 | -97.0752 | 230 |
| Harris County - South Houston | Harris | 0 | 0 | 0 |
| Brazos County - College Station Fire/EMS | Brazos | 30.62 | -96.33 | 12 |
| Brazos County - College Station Services | Brazos | 30.62 | -96.33 | 12 |
| Harris County - East Harris County Communications Center | Harris | 29.83825 | -95.08483 | 23 |
| Harris County - HC Emergency Corps Communications Center | Harris | 29.97397 | -97.0752 | 230 |
| Westcom Dispatch Communications Center | Harris | 29.97397 | -97.0752 | 230 |
| Titus County - Mount Pleasant | Titus | 33.2 | -94.98 | 18 |
| Houston - Municipal Courts | Harris | 29.97397 | -97.0752 | 230 |
| Waller County - Prairie View A&M University | Waller | 30.0933 | -95.9877 | 5 |
| Waller County - Brookshire | Waller | 29.78606 | -95.95107 | 10 |
| Waller County - Hempstead | Waller | 30.0974 | -96.0783 | 10 |
| Waller County - Fire/EMS | Waller | 30.00078 | -96.00079 | 21 |
| Walker County - Sam Houston State University | Walker | 30.72353 | -95.55078 | 10 |
| Walker County - Fire/EMS | Walker | 30.73353 | -95.56689 | 24 |
| University of Houston (Main Campus) | Harris | 29.72 | -95.34 | 10 |
| University of Houston (Clear Lake) | Harris | 29.58 | -95.1 | 5 |
| Texas DPS Region 1B Tyler | | 32.2747 | -95.1062 | 75 |
| Texas DPS Region 2D Bryan | | 30.872 | -96.245 | 60 |
| Matagorda County - Bay City ISD | Matagorda | 29.97397 | -97.0752 | 230 |
| Montgomery County - Schools | Montgomery | 30.41188 | -95.45605 | 30 |
| Fort Bend County - Schools | Fort Bend | 29.5502 | -95.7836 | 22 |
| Galveston County - Schools | Galveston | 29.3969 | -94.76687 | 30 |
| Brazoria County - Schools | Brazoria | 29.23358 | -95.45022 | 29 |
| Washington County - Fire/EMS | Washington | 30.2335 | -96.4502 | 22 |
| Washington County | Washington | 30.23355 | -96.45024 | 23 |
| Brazos County - Schools | Brazos | 30.66686 | -96.31691 | 25 |
| Colorado County - Columbus | Colorado | 29.7066 | -96.5397 | 5 |
| Colorado County - Eagle Lake | Colorado | 29.5856 | -96.3304 | 5 |
| Colorado County - Weimar | Colorado | 29.703 | -96.7805 | 5 |
| Brazoria County - Colleges | Brazoria | 29.97397 | -97.0752 | 230 |
| Brazos County - Sheriff | Brazos | 30.66686 | -96.31691 | 25 |
| Brazos County - Volunteer Fire | Brazos | 30.66686 | -96.31691 | 25 |
| Brazos County - Hospitals | Brazos | 30.66686 | -96.31691 | 25 |
| Harris County - Pasadena - Fire/EMS | Harris | 29.97397 | -97.0752 | 230 |
| Harris County - Pasadena - Services | Harris | 29.97397 | -97.0752 | 230 |
| Harris County District Attorney | Harris | 29.97397 | -97.0752 | 230 |
| Texas DPS Region 2B | | 29.97397 | -97.0752 | 230 |
| Wharton County - Wharton | Wharton | 29.97397 | -97.0752 | 230 |
| Wharton County - El Campo | Wharton | 29.97397 | -97.0752 | 230 |
| Madison County | Madison | 30.96686 | -95.93356 | 19 |
| Harris County Hospital District | Harris | 29.97397 | -97.0752 | 230 |
| Harris County Public Infrastructure | Harris | 29.97397 | -97.0752 | 230 |
| TxDOT - Beaumont District | | 30.248 | -94.05 | 70 |
| Smith County - Schools | Smith | 29.97397 | -97.0752 | 230 |
| Special Events | | 29.97397 | -97.0752 | 230 |
| Houston - Police - Interoperability | Harris | 29.97397 | -97.0752 | 230 |
| Madison County - Madisonville | Madison | 30.95 | -95.912 | 10 |
| Gregg County | Gregg | 32.49 | -94.79 | 15 |
| Rusk County | Rusk | 32.12 | -94.73 | 25 |
| Gregg County - Kilgore | Gregg | 32.38 | -94.87 | 10 |
| Harris County - Emergency Services District 11 | Harris | 29.97397 | -97.0752 | 230 |
| Brazos Valley - St. Joseph EMS | Brazos | 30.67436 | -96.36996 | 51 |
| Burleson County - Caldwell | Burleson | 30.53132 | -96.69303 | 10 |
| Burleson County - Somerville | Burleson | 30.34604 | -96.5283 | 6 |
| Texas Search and Rescue | | 0 | 0 | 0 |
| Jackson County | Jackson | 28.94327 | -96.56982 | 24 |
| Nacogdoches County | Nacogdoches | 0 | 0 | 0 |
| Montgomery County Incident Response | Montgomery | 0 | 0 | 0 |
| Polk County | Polk | 0 | 0 | 0 |
| Trinity County | Trinity | 0 | 0 | 0 |
| Lavaca County | Lavaca | 29.38218 | -96.92963 | 22 |
| Harris County - Lakeview Police | Harris | 29.85328 | -95.47327 | 35 |
