| Company | Location | Certifications | License # |
|---|---|---|---|
| Amanda R Lowe | — | Inspector (Maintenance Provider) | MP0000688 |
| Brevyn Chae Larkin | — | Installer (Class I) | OS0041491 |
| Brian King Sumner | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0000231 |
| Casey Schneiter | — | Installer (Class I) | OS0037908 |
| Cliff J Chambers | — | Installer (Class II)Inspector (Maintenance Provider) | OS0021341 |
| Dylan Michael Huckeba | — | Installer (Class I) | OS0039089 |
| Edmond Dewayne Anderson | — | Installer (Class II)Designer (Site Evaluator) | OS0029094 |
| Janie Marie Hopkins | — | Installer (Class II)Inspector (Maintenance Provider) | OS0005042 |
| Jason W Jasper | — | Installer (Class II) | OS0004749 |
| Joshua G Armfield | — | Inspector (Maintenance Provider) | MP0002079 |
| Michael Bernis Morrison | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0012856 |
| Patrick B Rs Grubbs | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0035142 |
| Robert Dale Hopkins | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0000219 |
| Sarah M Sumner | — | Installer (Class II) | OS0039005 |
| Terri L Morrison | — | Installer (Class II)Inspector (Maintenance Provider) | OS0005714 |
| Wayland Earl Whisenhant | — | Installer (Class II)Inspector (Maintenance Provider) | OS0037782 |
16 companies in the TCEQ OSSF (On-Site Sewage Facility) occupational licenses are based in Hardin County as of 2026-07-23. Companies based elsewhere in Texas also commonly serve the county.
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