| Angelina & Neches River Authority | Texas | 2021-04-26 | 2021-12-31 |
| Atmos Cities Steering Committee | Texas | 2018-01-22 | 2026-12-31 |
| Brush Country Groundwater Conservation District | Texas | 2019-02-05 | 2019-12-31 |
| Central Texas Groundwater Conservation District | Texas | 2025-01-17 | 2026-12-31 |
| Chambers Liberty Counties Navigation District | Texas | 2025-01-17 | 2025-12-31 |
| Cibolo Creek Municipal Authority | Texas | 2023-02-09 | 2025-12-31 |
| City of Garland | Texas | 2018-01-22 | 2024-12-31 |
| City of Lubbock | Texas | 2021-02-10 | 2023-12-31 |
| City of Magnolia | Texas | 2021-04-08 | 2021-12-31 |
| City of Sugar Land | Texas | 2021-03-10 | 2021-12-31 |
| City of Wichita Falls | Texas | 2023-02-09 | 2026-12-31 |
| Clearwater Underground Water Conservation District | Texas | 2018-01-22 | 2026-12-31 |
| Dallas County Utility and Reclamation District | Texas | 2018-01-22 | 2026-12-31 |
| Franklin County Water District | Texas | 2018-01-22 | 2023-12-31 |
| Jackson County County Wide Drainage District | Texas | 2023-02-09 | 2023-12-31 |
| Lloyd Gosselink Rochelle & Townsend, P.C. | Texas | 2018-01-22 | 2026-12-31 |
| Middle Pecos Groundwater Conservation District | Texas | 2018-01-22 | 2026-12-31 |
| Middle Trinity Groundwater Conservation District | Texas | 2018-01-22 | 2026-12-31 |
| North Texas Groundwater Conservation District | Texas | 2024-02-08 | 2026-12-31 |
| North Texas Municipal Utility District | Texas | 2021-02-10 | 2021-12-31 |
| North Texas Municipal Water District | Texas | 2023-02-09 | 2023-12-31 |
| Northern Trinity Groundwater Conservation District | Texas | 2023-02-09 | 2026-12-31 |
| Owner/Operator Members of Texas Mining and Reclamation Association | Texas | 2026-02-04 | 2026-12-31 |
| Palo Pinto County Municipal Water District No. 1 | Texas | 2025-01-17 | 2026-12-31 |
| Panola County Groundwater Conservation District | Texas | 2018-01-22 | 2026-12-31 |
| Paseo del Este Municipal Utility District No. 10 | Texas | 2025-04-18 | 2026-12-31 |
| Paseo del Este Municipal Utility District No. 11 | Texas | 2025-04-18 | 2026-12-31 |
| Real-Edwards Conservation & Reclamation District | Texas | 2018-01-22 | 2021-12-31 |
| Sabine River Authority | Texas | 2021-02-10 | 2021-12-31 |
| SouthWaste Disposal, LLC | Texas | 2018-01-22 | 2018-12-31 |
| Springs Hill Water Supply Corporation | Texas | 2023-03-09 | 2023-12-31 |
| Steering Committee of Cities Served by Oncor | Texas | 2018-01-22 | 2026-12-31 |
| Texas Coalition for Affordable Power (TCAP) | Texas | 2018-01-22 | 2026-12-31 |
| Texas Mining and Reclamation Association | Texas | 2018-01-22 | 2025-12-31 |
| Town of Westlake | Texas | 2018-01-22 | 2018-12-31 |
| Travis County Water Control & Improvement District No. 17 | Texas | 2021-04-08 | 2021-12-31 |
| TxSWANA, Lone Star Chapter, Solid Waste Association of North America | Texas | 2018-01-22 | 2026-12-31 |
| Upper Trinity Regional Water District | Texas | 2021-02-10 | 2023-12-31 |
| Water Environment Association of Texas (WEAT) | Texas | 2018-01-22 | 2026-12-31 |
| West Central Texas Municipal Water District | Texas | 2023-02-09 | 2023-12-31 |
| West Travis County Public Utility Agency | Texas | 2018-01-22 | 2021-12-31 |