| Company | Location | Certifications | License # |
|---|---|---|---|
| Austin J Waldrop | — | Installer (Class II)Inspector (Maintenance Provider) | OS0032319 |
| Austin Williams | — | Installer (Class I) | OS0034348 |
| Beaumont J Moffett | — | Installer (Class II) | OS0041203 |
| Bryan Thomas West | — | Designer (Site Evaluator) | OS0039619 |
| Carol Ray Williamson | — | Installer (Class II) | OS0000832 |
| Christen Rubio | — | Designer (Site Evaluator) | OS0038701 |
| Courtney James Camos | — | Installer (Class I) | OS0036301 |
| Cynthia L Moore | — | Installer (Class II)Designer (Site Evaluator) | OS0037307 |
| Damon Lynn Naumann | — | Installer (Class II)Designer (Site Evaluator) | OS0000807 |
| Darron D Richards | — | Installer (Class II) | OS0028814 |
| Dolores V Flores | — | Installer (Class I) | OS0003646 |
| Drake Anthony Hall | — | Designer (Site Evaluator) | OS0038699 |
| Dustin Rowden | — | Installer (Class I) | OS0038886 |
| Eric Petty | — | Installer (Class I) | OS0039583 |
| Eric Schubert | — | Installer (Class II)Designer (Site Evaluator) | OS0038994 |
| Erika Sanchez | — | Installer (Class II)Designer (Site Evaluator) | OS0030743 |
| Evan C Hale | — | Installer (Class II) | OS0004193 |
| Freddy Lee Park | — | Installer (Class I) | OS0038671 |
| Garry L Kinard | — | Installer (Class II)Designer (Site Evaluator) | OS0002219 |
| Greg Robert Daponte | — | Installer (Class I) | OS0039735 |
| Guellermo Perez | — | Installer (Class I) | OS0039668 |
| Heriberto Sanchez | — | Installer (Class II) | OS0030744 |
| Iva Suzanne Rs Wukasch | — | Designer (Site Evaluator) | OS0011823 |
| Ivan Rodriguez | — | Installer (Class II) | OS0040570 |
| Jaclyn G Childress | — | Installer (Class II) | OS0033704 |
| Jeffrey L Williams | — | Installer (Class II) | OS0035543 |
| Joe Henry Spillman | — | Installer (Class II) | OS0007996 |
| John Barton Jr Davidson | — | Installer (Class I) | OS0007831 |
| Kelly Vinson | — | Designer (Site Evaluator) | OS0037784 |
| Kenneth Bader | — | Installer (Class II)Designer (Site Evaluator) | OS0005024 |
| Kevin J Rs Moore | — | Installer (Class II)Designer (Site Evaluator) | OS0019037 |
| Lonnie Draper | — | Installer (Class I) | OS0008846 |
| Lonnie Lee Jr Draper | — | Installer (Class II) | OS0008742 |
| Mark Ryan Bowers | — | Designer (Site Evaluator) | OS0012166 |
| Matthew Wayne Lewis | — | Installer (Class I) | OS0041270 |
| Michael Mcgregor | — | Installer (Class I) | OS0040525 |
| Michael O Dalrymple | — | Installer (Class II)Inspector (Maintenance Provider) | OS0029545 |
| Patrick R Nelson | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0033512 |
| Ricky Lynn Maynard | — | Installer (Class II) | OS0026531 |
| Robert Lee Childress | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0025602 |
| Roberto Fonseca | — | Installer (Class II)Designer (Site Evaluator) | OS0029999 |
| Ronnie L Williamson | — | Installer (Class II) | OS0005165 |
| Russell W Mcbroom | — | Installer (Class II)Designer (Site Evaluator) | OS0030967 |
| Sidney M Harris | — | Installer (Class II)Designer (Site Evaluator) | OS0026224 |
| Todd A Heath | — | Installer (Class II) | OS0026528 |
| Todd E Bostic | — | Installer (Class II)Designer (Site Evaluator) | OS0001943 |
| Travis John Chittim | — | Installer (Class I) | OS0039971 |
47 companies in the TCEQ OSSF (On-Site Sewage Facility) occupational licenses are based in Burnet County as of 2026-07-23. Companies based elsewhere in Texas also commonly serve the county.
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