| Company | Location | Certifications | License # |
|---|---|---|---|
| Calvin C Jr Lyons | — | Installer (Class II)Designer (Site Evaluator) | OS0001260 |
| David L Bowman | — | Inspector (Maintenance Provider) | MP0000394 |
| David L Kropf | — | Installer (Class II) | OS0037285 |
| Duane E Wadel | — | Installer (Class II)Inspector (Maintenance Provider) | OS0034138 |
| Gary J Speights | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0017976 |
| Gregory A Swinscoe | — | Installer (Class II) | OS0030179 |
| Jack Wyatt Shoaf | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0037202 |
| Jeffery J Matthews | — | Inspector (Maintenance Provider) | MP0000670 |
| Jeffery Lynn Andrews | — | Installer (Class II) | OS0037187 |
| Jeffery Scott Jones | — | Installer (Class II) | OS0037127 |
| Jeffrey Dowdy Ward | — | Installer (Class I) | OS0035005 |
| John Scott Phillips | — | Installer (Class II) | OS0040147 |
| John W Jr Laird | — | Installer (Class II) | OS0025361 |
| Jonathan D Bowman | — | Installer (Class II)Inspector (Maintenance Provider) | OS0030275 |
| Jordan Lynn Reid | — | Installer (Class II)Inspector (Maintenance Provider) | OS0039697 |
| Karen L Hix | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0008148 |
| Keith M Ledwig | — | Installer (Class I) | OS0038991 |
| Larry Adrian Flournoy | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0001460 |
| Nereida Franco | — | Installer (Class II)Inspector (Maintenance Provider) | OS0035871 |
| Sarah Lanette Youngblood | — | Installer (Class I) | OS0039523 |
| Teresa K Caughron | — | Inspector (Maintenance Provider) | MP0002668 |
| Zachary Scott Hill | — | Installer (Class II)Designer (Site Evaluator) | OS0041144 |
22 companies in the TCEQ OSSF (On-Site Sewage Facility) occupational licenses are based in Hill County as of 2026-07-23. Companies based elsewhere in Texas also commonly serve the county.
Tell us what you need — we'll connect you with state-certified companies serving your area. No obligation.