Official list entries
Authority-first tester table
Use the governing authority list first. Provider profiles and sponsor routing remain secondary to the official approval context.
| Full name | License notes | Company or label | Review date |
|---|---|---|---|
| 1ST HOME & COMMERCIAL SERVICES | Official Austin Water WEIRS employer list entry for backflow prevention assembly testers; the City says the list is provided as a convenience only. | Officially listed on Austin Water's public WEIRS technician employer list. | 2026-04-05 |
| 5F MECHANICAL | Official Austin Water WEIRS employer list entry for backflow prevention assembly testers; the City says the list is provided as a convenience only. | Officially listed on Austin Water's public WEIRS technician employer list. | 2026-04-05 |
| WATERCREST BACKFLOW | Official Austin Water WEIRS employer list entry for backflow prevention assembly testers; the City says the list is provided as a convenience only. | Officially listed on Austin Water's public WEIRS technician employer list. | 2026-04-05 |