| Company | Location | Certifications | License # |
|---|---|---|---|
| Adolfo Neri Briones | — | Installer (Class II) | OS0040022 |
| Alejandro Melendez | — | Installer (Class II)Inspector (Maintenance Provider) | OS0034985 |
| Alejandro S Vargas | — | Installer (Class II) | OS0030288 |
| Alex Banda | — | Installer (Class I) | OS0039764 |
| Alexis Fregoso | — | Installer (Class I) | OS0041027 |
| Andrew Pellicane | — | Installer (Class I) | OS0041011 |
| Andrew Pete Reid | — | Installer (Class I) | OS0040739 |
| Aren Montgomery | — | Installer (Class I) | OS0039966 |
| Argenis Leonardo Gonzalez Garibaldi | — | Designer (Site Evaluator) | OS0039178 |
| Barry Sidney Ii Gillingwater | — | Installer (Class II) | OS0005430 |
| Bill L Jr Maulding | — | Installer (Class II) | OS0023268 |
| Bradley R Ward | — | Installer (Class I) | OS0031910 |
| Brian Edward Skulski | — | Installer (Class II)Inspector (Maintenance Provider) | OS0038755 |
| Brian J Rogers | — | Installer (Class II) | OS0041235 |
| Casey D Freeman | — | Installer (Class II)Inspector (Maintenance Provider) | OS0040497 |
| Cecil L Hayes | — | Installer (Class I) | OS0022698 |
| Chance Shannan-Heath Farkas | — | Installer (Class II) | OS0030090 |
| Charles D Threet | — | Installer (Class II)Inspector (Maintenance Provider) | OS0028081 |
| Charles Walter Jonas | — | Installer (Class II)Designer (Site Evaluator) | OS0004912 |
| Christopher Benjamin Garcia | — | Installer (Class I) | OS0034497 |
| Christopher James Vela | — | Designer (Site Evaluator) | OS0036969 |
| Christopher K Osburn | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0028350 |
| Clinton A Vandervoort | — | Installer (Class II) | OS0021349 |
| Cody Johnson | — | Installer (Class I) | OS0039345 |
| Courtenay Nichols | — | Installer (Class II) | OS0037203 |
| Curtis L Jeffrey | — | Inspector (Maintenance Provider) | MP0002865 |
| Dale L Cook | — | Installer (Class II)Designer (Site Evaluator) | OS0017962 |
| Danny R Hernandez | — | Installer (Class II) | OS0033963 |
| Dave F Jr Mcghee | — | Designer (Site Evaluator) | OS0024422 |
| David Alan Pe Price | — | Installer (Class II) | OS0002451 |
| David Charles Marecek | — | Installer (Class I) | OS0041118 |
| Dekkar A Williams | — | Installer (Class I) | OS0032358 |
| Derrick E Rs Lormand | — | Designer (Site Evaluator) | OS0026727 |
| Dylan V Sullivan | — | Installer (Class II)Inspector (Maintenance Provider) | OS0038228 |
| Enrique Perez | — | Installer (Class I) | OS0039724 |
| Eric Todd Moreland | — | Installer (Class II) | OS0015442 |
| Fabian Vasquez | — | Installer (Class I) | OS0038944 |
| Francisco Serna | — | Installer (Class I) | OS0030926 |
| Gerald T Walters | — | Installer (Class II)Inspector (Maintenance Provider) | OS0005114 |
| Gregory M Gullett | — | Installer (Class II)Inspector (Maintenance Provider) | OS0005313 |
| Gustavo D Balli | — | Installer (Class II)Inspector (Maintenance Provider) | OS0005597 |
| Haley Ritchie | — | Designer (Site Evaluator) | OS0038180 |
| Harrison Garrett | — | Designer (Site Evaluator) | OS0038621 |
| Heath Moreland | — | Installer (Class II) | OS0018928 |
| Hector Garcia-Martinez | — | Installer (Class I) | OS0036362 |
| Hector Hernandez | — | Installer (Class I) | OS0033954 |
| Ismael Leon | — | Designer (Site Evaluator) | OS0034172 |
| Jack Lunday | — | Installer (Class I) | OS0038942 |
| James C Kuykendall | — | Installer (Class II) | OS0001256 |
| James D Ii Bettridge | — | Designer (Site Evaluator) | OS0009437 |
| James Marlon Jr Fulton | — | Installer (Class II) | OS0006619 |
| James Marshall Rs Maynard | — | Designer (Site Evaluator) | OS0009575 |
| James Thomas Nowotny | — | Installer (Class I) | OS0040190 |
| Jason Cosgrove | — | Installer (Class I) | OS0040654 |
| Javier Castro | — | Installer (Class I) | OS0039067 |
| Javier Zamora | — | Installer (Class I) | OS0039784 |
| Jeff A Pe Snowden | — | Installer (Class II)Inspector (Maintenance Provider) | OS0005636 |
| Jeff L Grubert | — | Installer (Class II) | OS0002896 |
| Jesus Abraham Mares | — | Designer (Site Evaluator) | OS0039174 |
| Jesus E Moreno | — | Installer (Class II) | OS0036293 |
| Joel R Rs Bock | — | Designer (Site Evaluator) | OS0024430 |
| Joel W Garrett | — | Installer (Class II) | OS0032092 |
| John M Iii Pate | — | Installer (Class II)Inspector (Maintenance Provider) | OS0005449 |
| John M Tichi | — | Installer (Class II) | OS0037060 |
| Jonathan B Haynie | — | Designer (Site Evaluator) | OS0033054 |
| Jonathan K Jordan | — | Installer (Class I) | OS0028391 |
| Jonothan W Maass | — | Designer (Site Evaluator) | OS0028165 |
| Jorge Irving Romero | — | Installer (Class II) | OS0040052 |
| Jose G Aquino | — | Installer (Class II) | OS0029835 |
| Joshua R Franques | — | Installer (Class II) | OS0032091 |
| Julio A Iii Vega | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0026538 |
| Julio T Jr Vega | — | Installer (Class II) | OS0021090 |
| Kassandra Gracy Martinez Leon | — | Installer (Class I) | OS0039699 |
| Kathryn Ann Rs Young | — | Designer (Site Evaluator) | OS0010204 |
| Kirk W Stapleton | — | Installer (Class II)Designer (Site Evaluator) | OS0025365 |
| L Allen Franques | — | Installer (Class II)Inspector (Maintenance Provider) | OS0004822 |
| Lorenzo Rosales Mendez | — | Installer (Class II)Inspector (Maintenance Provider) | OS0019038 |
| Madison Lusinger | — | Installer (Class I) | OS0040653 |
| Marino F Serra | — | Inspector (Maintenance Provider) | MP0002126 |
| Mark Peterman | — | Designer (Site Evaluator) | OS0036152 |
| Martin S Martinez | — | Installer (Class I) | OS0005056 |
| Marty J Carson | — | Installer (Class II)Inspector (Maintenance Provider) | OS0028136 |
| Micah Don Wheeler | — | Installer (Class I) | OS0036898 |
| Michael Jourdan Payton | — | Installer (Class I) | OS0038044 |
| Michael Scott Stafford | — | Installer (Class II) | OS0008774 |
| Monica Alba Garcia | — | Designer (Site Evaluator) | OS0040770 |
| Nathan D Jackson | — | Installer (Class II)Inspector (Maintenance Provider) | OS0029828 |
| Nicole Alexandra Rajtak | — | Designer (Site Evaluator) | OS0039611 |
| Oriana Libertad Ciao Ballatore | — | Designer (Site Evaluator) | OS0039179 |
| Orlando T Godinez | — | Installer (Class II)Inspector (Maintenance Provider) | OS0033579 |
| Oscar S Gomez | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0035215 |
| Paul T Oconnor | — | Installer (Class I) | OS0029293 |
| Phillip Albright | — | Installer (Class I) | OS0039332 |
| Phillip S Iv Mccammon | — | Installer (Class II) | OS0025579 |
| Quinton Scott Boyd | — | Installer (Class II) | OS0008952 |
| Ramon Gabriel Juarez | — | Designer (Site Evaluator) | OS0038021 |
| Richar J Rodriguez | — | Installer (Class II) | OS0030937 |
| Richard L Nieto | — | Installer (Class II) | OS0039599 |
| Robert Dewayne Freeman | — | Installer (Class II) | OS0008896 |
| Robert W Nelson | — | Installer (Class II) | OS0005443 |
| Sandy M Martinez | — | Installer (Class II)Inspector (Maintenance Provider) | OS0033025 |
| Scott Arthur Emsoff | — | Installer (Class I)Designer (Site Evaluator) | OS0037448 |
| Sergio Lozano | — | Installer (Class I) | OS0038784 |
| Shane Robert Schmidt | — | Installer (Class II) | OS0029301 |
| Srinya Durasawin | — | Installer (Class I) | OS0030599 |
| Steve Michael Gilmer | — | Designer (Site Evaluator) | OS0009365 |
| Terry A Hansen | — | Installer (Class II)Inspector (Maintenance Provider) | OS0002517 |
| Thomas L Wilkins | — | Installer (Class I) | OS0029891 |
| Timothy Daniel Bolton | — | Installer (Class I) | OS0041242 |
| Vicente Cono Gonzalez | — | Installer (Class II) | OS0040513 |
| Vincent Sullivan | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0000819 |
| William Joseph Funke | — | Installer (Class II) | OS0008288 |
| William Lewis Pool | — | Installer (Class I)Designer (Site Evaluator) | OS0030661 |
113 companies in the TCEQ OSSF (On-Site Sewage Facility) occupational licenses are based in Travis County as of 2026-07-23. Companies based elsewhere in Texas also commonly serve the county.
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