| Frequency | System | FleetID | User | City | State | Sys_Type | Notes | Additional Notes |
| 856.2375 | Harris County, Texas | 11856 | Alief Community FD (Disp) | Alief | TX | II | Downtown | ** |
| 860.2125 | Harris County, Texas | 11888 | Alief Community Fd (Ops) | Alief | TX | II | Downtown | ** |
| 868.2375 | Harris County, Texas | 12624 | Alvin FD (Dispatch) | Alvin | TX | II | Downtown | ** |
| 857.2375 | Harris County, Texas | 11856 | Community FD (Ch #1) | Houston | TX | II | Downtown | ** |
| 860.2375 | Harris County, Texas | 11888 | Community FD (Ch #2) | Houston | TX | II | Downtown | ** |
| 868.4875 | Harris County, Texas | 11920 | Community FD (Tac 1) | Houston | TX | II | ** | ** |
| 858.2375 | Harris County, Texas | 11952 | Community FD (Tac 2) | Houston | TX | II | Downtown | ** |
| 860.4625 | Harris County, Texas | 9200 | Galena Park FD (Ch 1) | Galena Park | TX | II | Downtown | ** |
| 868.7625 | Harris County, Texas | 9264 | Galena Park FD (Ch 2) | Galena Park | TX | II | Downtown | ** |
| 859.2125 | Harris County, Texas | 10736 | Humble FD/EMS (Ch 1) | Humble | TX | II | Downtown | ** |
| 867.9125 | Harris County, Texas | 10768 | Humble FD/EMS (Ch 2) | Humble | TX | II | Downtown | ** |
| 859.2375 | Harris County, Texas | 10800 | Humble FD/EMS (Supv.) | Humble | TX | II | Downtown | ** |
| 867.9375 | Harris County, Texas | 13680 | Pearland FD | Pearland | TX | II | Downtown | ** |
| 866.5625 | Harris County, Texas | 13936 | Pearland FD (Operations) | Pearland | TX | II | Tomball | ** |
| 867.5375 | Harris County, Texas | 14480 | Webster FD (Ch 2) | Webster | TX | II | Tomball | ** |
| 867.9875 | Harris County, Texas | 14448 | Webster FD/EMS | Webster | TX | II | Tomball | ** |
| 866.075 | Harris County, Texas | 12720 | Alvin EMS (Dispatch) | Alvin | TX | II | Tomball | ** |
| 868.95 | Harris County, Texas | 12752 | Alvin EMS (Operations) | Alvin | TX | II | Tomball | ** |
| 866.9375 | Harris County, Texas | 208 | Life-Flight (Dispatch) | Houston | TX | II | Tomball | ** |
| 868.5875 | Harris County, Texas | 13808 | Pearland EMS | Pearland | TX | II | Huffman | ** |
| 868.0375 | Harris County, Texas | 8432 | Harris Co. Hospital Dist. | Houston | TX | II | Huffman | ** |
| 866.425 | Harris County, Texas | 944 | Constables (Pct 1) Admin. | Houston | TX | II | Huffman | ** |
| 868.975 | Harris County, Texas | 976 | Constables (Pct 2) Admin. | Houston | TX | II | Huffman | ** |
| 866.4875 | Harris County, Texas | 1008 | Constables (Pct 3) Admin. | Houston | TX | II | Clodine | ** |
| 867.4625 | Harris County, Texas | 1200 | Constables (Pct 6) Admin. | Houston | TX | II | Clodine | ** |
| 867.9625 | Harris County, Texas | 1232 | Constables (Pct 7) Admin. | Houston | TX | II | Clodine | ** |
| 866.05 | Harris County, Texas | 1264 | Constables (Pct 8) Admin | Houston | TX | II | Clodine | ** |
| 868.925 | Harris County, Texas | 2448 | Constables (Pct 1) Alt. | Houston | TX | II | Clodine | ** |
| 866.0375 | Harris County, Texas | 4176 | Constables (Pct 2) Alt. | Houston | TX | II | Alvin | ** |
| 868.0875 | Harris County, Texas | 4464 | Constables (Pct 4) Alt. | Houston | TX | II | Alvin | ** |
| 866.4625 | Harris County, Texas | 16720 | Constables (Pct 7) Alt. | Houston | TX | II | Alvin | ** |
| 867.0625 | Harris County, Texas | 5008 | Constables (Pct 7) Alt. | Houston | TX | UU | Alvin | ** |
| 867.6625 | Harris County, Texas | 5200 | Constables (Pct 8) Alt. | Houston | TX | II | Alvin | ** |
| 866.0875 | Harris County, Texas | 11184 | Constables (Pct 1) Civil | Houston | TX | II | Alvin | ** |
| ** | Harris County, Texas | 4624 | Constables (Pct 4) Civil | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 16752 | Constables (Pct 5) Civil | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 11696 | Constables (Pct 8) Civil | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 8420 | Constables (Pct 1) Comiss | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 8752 | Constables (Pct 2) Comiss | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 8784 | Constables (Pct 3) Comiss | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 8720 | Constables (Pct 3) Comiss | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 11152 | Constables (Pct 1) Disp. | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 11248 | Constables (Pct 2) Disp. | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 11344 | Constables (Pct 3) Disp. | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 11376 | Constables (Pct 4) Disp. | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 11408 | Constables (Pct 4) Disp. | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 16720 | Constables (Pct 5) Disp. | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 11568 | Constables (Pct 6) Disp. | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 11600 | Constables (Pct 7) Disp. | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 11664 | Constables (Pct 8) Disp. | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 11440 | Constables (Pct 4) East | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 1168 | Constables (Pct 1) Mental | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 13456 | Constables (Pct 3) Ops. | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 100000 | Constables (Pct 5) Sam Ho | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 1680 | Constables (Pct 4) Supv. | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 1808 | Constables (Pct 5) Supv. | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 1904 | Constables (Pct 6) Supv. | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 10032 | Constables (Pct 8) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 10064 | Constables (Pct 8) Supv. | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 1680 | Constables (Pct 4) Warran | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 11472 | Constables (Pct 4) Warran | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 9898 | Constables (Pct 4) West | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 10928 | Texas DPS (Dispatch) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 8464 | Jail (Intake) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 11506 | U.S. Marshal (Criminal) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 11088 | U.S. Marshal (Inves) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 12272 | Alvin PD (Dispatch) | Alvin | TX | II | ** | ** |
| ** | Harris County, Texas | 12464 | Alvin PD (Special Ops) | Alvin | TX | II | ** | ** |
| ** | Harris County, Texas | 8912 | Galena Park PD (Disp) | Galena Park | TX | II | ** | ** |
| ** | Harris County, Texas | 8944 | Galena Park PD (F-2) | Galena Park | TX | II | ** | ** |
| ** | Harris County, Texas | 9168 | Galena Park PD (Supv) | Galena Park | TX | II | ** | ** |
| ** | Harris County, Texas | 10576 | Humble PD (Ch 1) | Humble | TX | II | ** | ** |
| ** | Harris County, Texas | 10608 | Humble PD (Ch 2) | Humble | TX | II | ** | ** |
| ** | Harris County, Texas | 10672 | Humble PD (Supv) | Humble | TX | II | ** | ** |
| ** | Harris County, Texas | 10704 | Humble PD (Tactical) | Humble | TX | II | ** | ** |
| ** | Harris County, Texas | 9456 | Katy PD (Primary) | Katy | TX | II | ** | ** |
| ** | Harris County, Texas | 9520 | Katy PD (Secondary) | Katy | TX | II | ** | ** |
| ** | Harris County, Texas | 13488 | Pearland PD (Admin) | Pearland | TX | II | ** | ** |
| ** | Harris County, Texas | 13776 | Pearland PD (CID) | Pearland | TX | II | ** | ** |
| ** | Harris County, Texas | 13712 | Pearland PD (Primary) | Pearland | TX | II | ** | ** |
| ** | Harris County, Texas | 13904 | Pearland PD (Tact) | Pearland | TX | II | ** | ** |
| ** | Harris County, Texas | 14384 | Webster PD (Admin) | Webster | TX | II | ** | ** |
| ** | Harris County, Texas | 13872 | Webster PD (Dispatch) | Webster | TX | II | ** | ** |
| ** | Harris County, Texas | 14352 | Webster PD (Tact) | Webster | TX | II | ** | ** |
| ** | Harris County, Texas | 55440 | West University PD (Disp) | W University | TX | II | ** | ** |
| ** | Harris County, Texas | 55524 | West University PD (Secon | W University | TX | II | ** | ** |
| ** | Harris County, Texas | 12912 | Sheriff (Admin) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 9232 | Sheriff (Criminal Justice | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 9104 | Sheriff (Detectives) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 8976 | Sheriff (Dispatch 3) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 9008 | Sheriff (Dispatch 4) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 8496 | Sheriff (East Disp) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 8528 | Sheriff (EMS) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 6544 | Sheriff (Houston PD 1) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 11728 | Sheriff (Interagency DPS) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 49488 | Sheriff (MAP VAN) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 8560 | Sheriff (Mutual Aid 1) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 8592 | Sheriff (Mutual Aid 2) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 10256 | Sheriff (Operations) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 9360 | Sheriff (Records) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 9328 | Sheriff (Supervisors) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 12656 | Sheriff (Tac 1) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 12688 | Sheriff (Tac 2) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 12816 | Sheriff (Tac 3) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 8960 | Sheriff (Tac 4) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 1680 | Sheriff (Tac 5) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 10096 | Sheriff (Warrant Svc) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 5520 | Sheriff (West Disp) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 5712 | District Attorney (f-1) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 5744 | District Attorney (F-2) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 5776 | District Attorney | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 5808 | District Attorney (F-4) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 1712 | Texas Alcohololic Beverag | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 10224 | Beltway #8 Toll Bridge | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 12176 | Alvin Community College | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 1520 | Houston Community College | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 5456 | County Courthouse (Securi | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 5840 | County Courthouse (Securi | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 8336 | County Emergency Mgt. | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 32944 | County EOC | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 13840 | Pearland Emergency Ops. | Pearland | TX | II | ** | ** |
| ** | Harris County, Texas | 6192 | County Flood Control | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 6224 | County Flood Control | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 6356 | County Flood Control | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 9296 | Galena Park (Common Ch.) | Galena Park | TX | II | ** | ** |
| ** | Harris County, Texas | 8520 | Medical Examiner (A) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 6288 | Medical Examiner (B) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 2288 | Port of Houston (Ch 1) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 2320 | Port of Houston (Ch 2) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 1488 | County Probation Dept. | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 9903 | Aldine Schools (Primary) | Aldine | TX | II | ** | ** |
| ** | Harris County, Texas | 9936 | Aldine Schools (Supv) | Aldine | TX | II | ** | ** |
| ** | Harris County, Texas | 12976 | Alvin Schools (Police) | Alvin | TX | II | ** | ** |
| ** | Harris County, Texas | 13232 | Alvin Schools (Primary) | Alvin | TX | II | ** | ** |
| ** | Harris County, Texas | 1136 | Katy Schools (Ch A) | Katy | TX | II | ** | ** |
| ** | Harris County, Texas | 1872 | Katy Schools (Patrol) | Katy | TX | II | ** | ** |
| ** | Harris County, Texas | 14032 | Klein Schools (Primary) | Klein | TX | II | ** | ** |
| ** | Harris County, Texas | 12880 | Schools (Tactical) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 2032 | Sheldon Schools | Sheldon | TX | II | ** | ** |
| ** | Harris County, Texas | 6320 | Spring Schools (PD) | Spring | TX | II | ** | ** |
| ** | Harris County, Texas | 6532 | Spring Schools (PD Tac) | Spring | TX | II | ** | ** |
| ** | Harris County, Texas | 9680 | Spring Branch Schools PD | Spring Branch | TX | II | ** | ** |
| ** | Harris County, Texas | 14064 | Spring Branch Schools Sup | Spring Branch | TX | II | ** | ** |
| ** | Harris County, Texas | 34000 | County Taxi Inspector | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 10416 | Toll Road (Ch B) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 8848 | Toll Road (North) | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 10224 | Toll Road - Clear Lake | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 10320 | Toll Road - West | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 9616 | University of Houston PD | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 9648 | University of Houston | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 11792 | University of Houston PD | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 11760 | University of Houston PD | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 11824 | University of Houston | Houston | TX | II | ** | ** |
| ** | Harris County, Texas | 10832 | Humble Public Works Ch 1 | Humble | TX | II | ** | ** |
| ** | Harris County, Texas | 10864 | Humble Public Works (Ch 2 | Humble | TX | II | ** | ** |
| ** | Harris County, Texas | 13520 | Pearland Public Works #1 | Pearland | TX | II | ** | ** |
| ** | Harris County, Texas | 13552 | Pearland Public Works #2 | Pearland | TX | II | ** | ** |
| ** | Harris County, Texas | 14512 | Webster Public Works #1 | Webster | TX | II | ** | ** |
| ** | Harris County, Texas | 14544 | Webster Public Works #2 | Webster | TX | II | ** | ** |
| ** | Harris County, Texas | 56465 | West University Works | W University | TX | II | ** | ** |