| Company | Location | Certifications | License # |
|---|---|---|---|
| Arthur J Faldyn | — | Installer (Class II) | OS0029936 |
| Blake Scott Sr Craig | — | Installer (Class II)Designer (Site Evaluator) | OS0024694 |
| Brian David Sommer | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0004577 |
| Bryce William Sander | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0040225 |
| Christopher M Baron | — | Installer (Class II)Inspector (Maintenance Provider) | OS0029991 |
| Clint A Sternadel | — | Installer (Class II)Designer (Site Evaluator) | OS0032097 |
| Colton Dunk | — | Installer (Class II)Inspector (Maintenance Provider) | OS0038100 |
| Damon A Faldyn | — | Installer (Class I) | OS0024607 |
| Daniel E Cernoch | — | Installer (Class II) | OS0001803 |
| Daundre Daquan Clinton | — | Installer (Class I) | OS0040870 |
| Dawn Marie Jensen | — | Installer (Class I) | OS0041069 |
| Harold N Jr Wendt | — | Installer (Class II)Designer (Site Evaluator) | OS0018295 |
| Harvey G Hayek | — | Installer (Class II)Designer (Site Evaluator) | OS0005569 |
| Jacob Hunter Johnson | — | Installer (Class II)Inspector (Maintenance Provider) | OS0036724 |
| Jerrial C Brown | — | Installer (Class II)Inspector (Maintenance Provider) | OS0019046 |
| Leo Buis | — | Installer (Class I) | OS0039998 |
| Mark A Hoffmann | — | Installer (Class II) | OS0004726 |
| Marshall A Byrd | — | Installer (Class I) | OS0032184 |
| Michael R Braden | — | Installer (Class II) | OS0007467 |
| Reagan M Kunz | — | Installer (Class II) | OS0036673 |
| Richard E Harbers | — | Installer (Class II)Inspector (Maintenance Provider) | OS0026987 |
| Rodney Charles Palmer | — | Installer (Class II) | OS0036670 |
| Ronald Ray Pflughaupt | — | Installer (Class II) | OS0035101 |
| Ronnie G Jahnz | — | Installer (Class II)Designer (Site Evaluator) | OS0018292 |
| Sean M Wallace | — | Installer (Class II)Inspector (Maintenance Provider) | OS0031523 |
| Theodore W Jr Harbers | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0004038 |
26 companies in the TCEQ OSSF (On-Site Sewage Facility) occupational licenses are based in Fayette County as of 2026-07-23. Companies based elsewhere in Texas also commonly serve the county.
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