| Company | Location | Certifications | License # |
|---|---|---|---|
| Abraham Rendon Carrillo | — | Installer (Class I) | OS0037381 |
| Aftab Mujtaba | — | Installer (Class II)Inspector (Maintenance Provider) | OS0030530 |
| Alejandro Delatorre | — | Installer (Class I) | OS0040266 |
| Alexis R Digat | — | Installer (Class II)Inspector (Maintenance Provider) | OS0026985 |
| Alexis R Jr Digat | — | Installer (Class II)Inspector (Maintenance Provider) | OS0039290 |
| Alvaro Martinez | — | Installer (Class II) | OS0041059 |
| Baltazar A Castillo | — | Installer (Class II)Inspector (Maintenance Provider) | OS0035940 |
| Bernardo Turrubiartes | — | Installer (Class II)Inspector (Maintenance Provider) | OS0040447 |
| Billy H Melching | — | Installer (Class II)Inspector (Maintenance Provider) | OS0030079 |
| Billy R Young | — | Installer (Class II) | OS0036536 |
| Brian E Hinson | — | Installer (Class II)Inspector (Maintenance Provider) | OS0028616 |
| Carl D Nichols | — | Inspector (Maintenance Provider) | MP0002257 |
| Cecil Ray Dent | — | Installer (Class II)Inspector (Maintenance Provider) | OS0028841 |
| Charles Ray Svetlik | — | Inspector (Maintenance Provider) | MP0000664 |
| Charlie M Jr Mills | — | Installer (Class II)Inspector (Maintenance Provider) | OS0024365 |
| Christopher Whitley | — | Installer (Class I) | OS0038313 |
| Cole Mason Thompson | — | Installer (Class I) | OS0041422 |
| Craig Cutler | — | Installer (Class I) | OS0041129 |
| Daniel L Hartman | — | Installer (Class II)Inspector (Maintenance Provider) | OS0022663 |
| David Aguero | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0004976 |
| David L Brounkowski | — | Installer (Class II)Inspector (Maintenance Provider) | OS0029833 |
| David M Jennings | — | Installer (Class II)Inspector (Maintenance Provider) | OS0028904 |
| David Wilk | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0036852 |
| Dean B Oconnor | — | Installer (Class II)Inspector (Maintenance Provider) | OS0005322 |
| Delbert Travis Van Cleve | — | Installer (Class II)Inspector (Maintenance Provider) | OS0027922 |
| Dennis Aguero | — | Installer (Class II) | OS0030220 |
| Donald J Rs Stgermain | — | Designer (Site Evaluator) | OS0009256 |
| Douglas D Kunkle | — | Inspector (Maintenance Provider) | MP0002457 |
| Dustin L Borrego | — | Installer (Class II)Inspector (Maintenance Provider) | OS0033681 |
| Enrique Gonzalez | — | Installer (Class II) | OS0006849 |
| Ernesto Oropeza | — | Inspector (Maintenance Provider) | MP0002098 |
| Flavio Edgar Quintero | — | Installer (Class I) | OS0039569 |
| Gilberto A Amezaga | — | Inspector (Maintenance Provider) | MP0002508 |
| Heath R Blazek | — | Installer (Class II) | OS0031794 |
| J C Leyva | — | Installer (Class II)Inspector (Maintenance Provider) | OS0036699 |
| Jackie L Sansom | — | Installer (Class II)Inspector (Maintenance Provider) | OS0005197 |
| James M Sr Watson | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0028872 |
| James P Leabo | — | Installer (Class II)Inspector (Maintenance Provider) | OS0038389 |
| James W Hobbs | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0034310 |
| James Westmoreland Jr Wright | — | Installer (Class II)Inspector (Maintenance Provider) | OS0008257 |
| Jeff C Sr Toler | — | Installer (Class II)Inspector (Maintenance Provider) | OS0007092 |
| John E Burley | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0026564 |
| Jonathan W Taylor | — | Inspector (Maintenance Provider) | MP0002658 |
| Jorge A Rs Cedillo | — | Designer (Site Evaluator) | OS0011454 |
| Jose Daniel Lira | — | Designer (Site Evaluator) | OS0035863 |
| Jose Flores | — | Installer (Class I) | OS0040773 |
| Joseph Buchannon Stewart | — | Installer (Class II)Inspector (Maintenance Provider) | OS0028269 |
| Joshua Jacob Hughes | — | Designer (Site Evaluator) | OS0039041 |
| Joshua W Watson | — | Installer (Class II) | OS0040727 |
| Keilor G Romero | — | Installer (Class II)Inspector (Maintenance Provider) | OS0034733 |
| Kenneth M Sr Valentin | — | Installer (Class II) | OS0033202 |
| Kurt Emmett Bolen | — | Installer (Class I) | OS0040595 |
| Kyle Lee Brounkowski | — | Installer (Class II)Inspector (Maintenance Provider) | OS0030808 |
| Leonel Tristan | — | Installer (Class II) | OS0040774 |
| Logan Richard Jorgensen-Tjornehoj | — | Installer (Class I) | OS0038657 |
| Louis E Garcia | — | Installer (Class II)Inspector (Maintenance Provider) | OS0029307 |
| Malcolm R Richards | — | Installer (Class II) | OS0039159 |
| Mario Soria Torres | — | Installer (Class I) | OS0040986 |
| Mark K Arnold | — | Installer (Class II)Inspector (Maintenance Provider) | OS0032089 |
| Matthew J Rs Johnson | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0030740 |
| Matthew Ryan Toler | — | Installer (Class II)Inspector (Maintenance Provider) | OS0039674 |
| Oscar H Gonzalez | — | Installer (Class I) | OS0040257 |
| Rashaud Brown | — | Installer (Class II)Inspector (Maintenance Provider) | OS0029989 |
| Raul H Sr Estrada | — | Installer (Class II)Inspector (Maintenance Provider) | OS0033004 |
| Raymond C Rs Beckford | — | Designer (Site Evaluator) | OS0025275 |
| Reynaldo Jr Vega | — | Inspector (Maintenance Provider) | MP0001750 |
| Robert A Hudspeth | — | Inspector (Maintenance Provider) | MP0000605 |
| Robert C Gilbert | — | Installer (Class II)Inspector (Maintenance Provider) | OS0006190 |
| Robert Vernon Sindlinger | — | Inspector (Maintenance Provider) | MP0001899 |
| Roy C Rs Varnon | — | Designer (Site Evaluator) | OS0011478 |
| Roy Lee Pg Onstott | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0004308 |
| Royce Glenn Muegge | — | Installer (Class II) | OS0003230 |
| Rudy J Iii Svetlik | — | Installer (Class II)Inspector (Maintenance Provider) | OS0004350 |
| Russell W Whitley | — | Installer (Class II)Inspector (Maintenance Provider) | OS0028079 |
| Satia Sing | — | Installer (Class I) | OS0039388 |
| Shaun C Barnett | — | Installer (Class II)Inspector (Maintenance Provider) | OS0038823 |
| Shehab Alzobaidi | — | Installer (Class II)Designer (Site Evaluator) | OS0039147 |
| Thomas E Jr Ratliff | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0006003 |
| Tim White | — | Installer (Class I) | OS0040176 |
| Timmy L Domino | — | Installer (Class II)Inspector (Maintenance Provider) | OS0004128 |
| Travis W Smith | — | Installer (Class II) | OS0003398 |
| Troy K Scalco | — | Designer (Site Evaluator) | OS0034028 |
| Ty Dupre | — | Installer (Class II)Inspector (Maintenance Provider) | OS0040755 |
| Tyler C Surface | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0030534 |
| Warren Keith Ii Surface | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0002856 |
| William Brandon Pierce | — | Inspector (Maintenance Provider) | MP0001926 |
| William D Bostick | — | Installer (Class II)Inspector (Maintenance Provider) | OS0028820 |
| William Dennis Rs Palmer | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0000085 |
| Zakk Hahn | — | Installer (Class II)Designer (Site Evaluator) | OS0038637 |
89 companies in the TCEQ OSSF (On-Site Sewage Facility) occupational licenses are based in Harris County as of 2026-07-23. Companies based elsewhere in Texas also commonly serve the county.
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