= Partnered Governments
| Name | Registration | City | State |
|---|---|---|---|
| Ysleta Independent School District | El Paso | TX | |
| Zapata County | Zapata | TX | |
| Zapata County Independent School District | Zapata | TX | |
| Zavala County | Crystal City | TX | |
| Zavala County Appraisal Dist. | Crystal City | TX | |
| Zavalla Independent School District | Zavalla | TX | |
| Zavalla, City of | Zavalla | TX | |
| Zephyr ISD | Zephyr | TX | |
| Zephyr Reverted Independent School Dist. 906 | Zephyr | TX | |
| Zephyr Water Supply Corporation | Zephyr | TX |
