| Company | Location | Certifications | License # |
|---|---|---|---|
| Joe L Marts | — | Installer (Class II)Designer (Site Evaluator) | OS0008091 |
| Micheal D Burk | — | Installer (Class I) | OS0028944 |
2 companies in the TCEQ OSSF (On-Site Sewage Facility) occupational licenses are based in Garza County as of 2026-07-23. Companies based elsewhere in Texas also commonly serve the county.
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