| Company | Location | Certifications | License # |
|---|---|---|---|
| Ashley Baldwin | — | Installer (Class I) | OS0035503 |
| Carlos Edgar Jr Parra | — | Installer (Class II)Inspector (Maintenance Provider) | OS0020762 |
| David H Blum | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0020712 |
| David Ryan Bills | — | Installer (Class II)Inspector (Maintenance Provider) | OS0029925 |
| Eric B Iii Neuman | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0004704 |
| Eric Brighteyes Neuman | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0040397 |
| George Wiley Iv Woodman | — | Installer (Class II)Inspector (Maintenance Provider) | OS0037707 |
| Jerry Wayne Thompson | — | Installer (Class II)Inspector (Maintenance Provider) | OS0040066 |
| Justin Collins | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0036620 |
| Logan A Young | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0036555 |
| Melinda L Soliday | — | Designer (Site Evaluator) | OS0036469 |
| Meredith R Burney | — | Installer (Class II)Inspector (Maintenance Provider) | OS0034876 |
| Michael D Gwin | — | Installer (Class II)Inspector (Maintenance Provider) | OS0001475 |
| Modesto Jr Martinez | — | Installer (Class II)Inspector (Maintenance Provider) | OS0039673 |
| Nathan Eric Bradford | — | Installer (Class II)Inspector (Maintenance Provider) | OS0038949 |
| Perla D Parra | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0035597 |
| Rodger A Schuldt | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0019898 |
| Taylor M Broussard | — | Installer (Class II)Inspector (Maintenance Provider) | OS0034555 |
| Weldon W Alders | — | Installer (Class II)Inspector (Maintenance Provider) | OS0012886 |
| Whitney M Wood | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0033976 |
20 companies in the TCEQ OSSF (On-Site Sewage Facility) occupational licenses are based in Liberty County as of 2026-07-23. Companies based elsewhere in Texas also commonly serve the county.
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