| Company | Location | Certifications | License # |
|---|---|---|---|
| Anthony Scott Kitchener | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0000082 |
| Bryan David Jones | — | Designer (Site Evaluator) | OS0039118 |
| Charles L Hinson | — | Installer (Class I) | OS0008523 |
| Denise L Lange | — | Installer (Class II) | OS0022656 |
| Eric H Oliver | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0031158 |
| Garrett Conley Hurst | — | Installer (Class I) | OS0039940 |
| Garrett Morris | — | Installer (Class I) | OS0038811 |
| Harvey J Sr Melcher | — | Installer (Class II)Inspector (Maintenance Provider) | OS0006128 |
| Israel Ii Garza | — | Designer (Site Evaluator) | OS0033005 |
| Jacob Robinson | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0038754 |
| Mark A Myers | — | Installer (Class I) | OS0033393 |
| Matthew R Moody | — | Installer (Class II)Inspector (Maintenance Provider) | OS0031086 |
| Michael Paul Robinson | — | Inspector (Maintenance Provider) | MP0000608 |
| Michael R Lange | — | Installer (Class II)Inspector (Maintenance Provider) | OS0022674 |
| Richard Allen Keenan | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0000841 |
| Sean P Worthey | — | Inspector (Maintenance Provider) | MP0002792 |
| Seth D Kater | — | Inspector (Maintenance Provider) | MP0001974 |
| Stephanie L Rs Sturman | — | Designer (Site Evaluator) | OS0028789 |
| Tabitha Renee Pina | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0026537 |
| William J Novosad | — | Installer (Class II) | OS0018711 |
20 companies in the TCEQ OSSF (On-Site Sewage Facility) occupational licenses are based in Galveston County as of 2026-07-23. Companies based elsewhere in Texas also commonly serve the county.
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