| Company | Location | Certifications | License # |
|---|---|---|---|
| Alfredo Garcia Garcia | — | Installer (Class II) | OS0041381 |
| Anauke A Wilson | — | Installer (Class II)Inspector (Maintenance Provider) | OS0031454 |
| Anthony Richard Iannucci | — | Installer (Class I) | OS0041200 |
| Arthur D Jaster | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0032046 |
| Arthur Sr Hernandez | — | Inspector (Maintenance Provider) | MP0002740 |
| Austin Scott Mabrey | — | Installer (Class I) | OS0040098 |
| Ben M Holland | — | Inspector (Maintenance Provider) | MP0000372 |
| Brayan U Loya | — | Installer (Class II)Inspector (Maintenance Provider) | OS0034260 |
| Charles David Sr Funk | — | Installer (Class II)Inspector (Maintenance Provider) | OS0006249 |
| Chris K Robinson | — | Installer (Class II)Inspector (Maintenance Provider) | OS0028548 |
| Christopher J Butts | — | Installer (Class II) | OS0036296 |
| Christopher M Ramirez | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0001107 |
| Cleotilde Hernandez | — | Designer (Site Evaluator) | OS0011152 |
| Cody A Goodwill | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0032844 |
| Daniel Garcia | — | Installer (Class II)Inspector (Maintenance Provider) | OS0028544 |
| David Rangel | — | Installer (Class II) | OS0040651 |
| Dennis Rassi | — | Installer (Class I) | OS0036447 |
| Eduardo Guerrero | — | Designer (Site Evaluator) | OS0034097 |
| Eduardo Lopez | — | Installer (Class I) | OS0040980 |
| Eric Ricardo Garcia | — | Installer (Class II) | OS0040508 |
| Gabriel Garza | — | Installer (Class I) | OS0040880 |
| George Harley Witta | — | Installer (Class II) | OS0001861 |
| George Raymond Goertz | — | Installer (Class II)Designer (Site Evaluator) | OS0007209 |
| Guadalupe Garza Salinas | — | Installer (Class II) | OS0007934 |
| Hayden J Peters | — | Installer (Class II)Inspector (Maintenance Provider) | OS0036441 |
| Isabel Flores | — | Installer (Class I) | OS0038686 |
| Jackie R Burgh | — | Inspector (Maintenance Provider) | MP0000341 |
| Jackson Greer Bolton | — | Installer (Class II) | OS0039177 |
| Jeffrey Allan Burgh | — | Installer (Class II)Inspector (Maintenance Provider) | OS0008114 |
| Jill Ann Lake | — | Installer (Class I) | OS0040551 |
| Joedaniel J Salinas | — | Installer (Class I) | OS0040044 |
| Johnathan David Jaster | — | Installer (Class II)Designer (Site Evaluator) | OS0040794 |
| Jose Carlos Elizondo | — | Installer (Class I) | OS0039029 |
| Joshua W Schiller | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0030553 |
| Juan Manuel Padron | — | Installer (Class I) | OS0040376 |
| Justin Michael Voigt | — | Installer (Class II)Inspector (Maintenance Provider) | OS0006323 |
| Karel Elaine Rs Zaleski | — | Designer (Site Evaluator) | OS0010180 |
| Kenneth Hancock | — | Designer (Site Evaluator) | OS0038736 |
| Kirby Roberson | — | Installer (Class II) | OS0037826 |
| Lorenzo A Jr Mendez | — | Installer (Class II)Inspector (Maintenance Provider) | OS0032425 |
| Lucas Hernandez | — | Installer (Class I) | OS0038654 |
| Mark W Barron | — | Installer (Class II)Designer (Site Evaluator) | OS0005245 |
| Martin Gene Dorantes | — | Installer (Class I) | OS0037563 |
| Mateo Garcia | — | Installer (Class I) | OS0037484 |
| Max Jarid Jr Conley | — | Installer (Class II)Inspector (Maintenance Provider) | OS0036534 |
| Michael A Goertz | — | Installer (Class II)Designer (Site Evaluator) | OS0003299 |
| Michael D Gepner | — | Installer (Class II)Inspector (Maintenance Provider) | OS0001080 |
| Michael E Abernethy | — | Installer (Class II)Inspector (Maintenance Provider) | OS0035515 |
| Miguel Angel Ramirez | — | Installer (Class I) | OS0039777 |
| Oziel Puente-Vargas | — | Installer (Class I) | OS0040576 |
| Patrick G Cantrell | — | Installer (Class II)Inspector (Maintenance Provider) | OS0030807 |
| Paul Curtis Wilhelm | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0006324 |
| Rene Mendez | — | Installer (Class II)Inspector (Maintenance Provider) | OS0032410 |
| Richard W Hurst | — | Installer (Class I) | OS0033889 |
| Robert A Iii Jaster | — | Installer (Class II)Inspector (Maintenance Provider) | OS0036553 |
| Robert James Warner | — | Installer (Class II) | OS0005747 |
| Roderick Dewayne Moore | — | Installer (Class II) | OS0039925 |
| Rodolfo Briseno Martinez | — | Designer (Site Evaluator) | OS0038682 |
| Russell C Rs Cain | — | Designer (Site Evaluator) | OS0012133 |
| Santiago Alarcon | — | Installer (Class I) | OS0039100 |
| Stephan Moore | — | Installer (Class II) | OS0038160 |
| Todd W Helmcamp | — | Installer (Class I) | OS0033788 |
| Travis C Jr Hoffman | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0004040 |
| Trey Alden Butts | — | Installer (Class I) | OS0040635 |
| Troy C Walters | — | Designer (Site Evaluator) | OS0034245 |
| Vernon E Tuck | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0029992 |
| William D Dildine | — | Installer (Class I)Designer (Site Evaluator) | OS0039861 |
67 companies in the TCEQ OSSF (On-Site Sewage Facility) occupational licenses are based in Bastrop County as of 2026-07-23. Companies based elsewhere in Texas also commonly serve the county.
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