| Company | Location | Certifications | License # |
|---|---|---|---|
| Aaron J Ramirez | — | Installer (Class II)Inspector (Maintenance Provider) | OS0035523 |
| Alan R Sr Vaughan | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0029458 |
| Andrew Clay Dinkins | — | Installer (Class I) | OS0040441 |
| Brady A Bishop | — | Installer (Class II) | OS0028773 |
| Brandon Cole Shaw | — | Installer (Class I) | OS0036043 |
| Caleb Douglas York | — | Installer (Class I)Inspector (Maintenance Provider) | OS0039881 |
| Demarcus Choice | — | Installer (Class I) | OS0039141 |
| Gerald G Denton | — | Installer (Class II)Inspector (Maintenance Provider) | OS0021473 |
| Issac A Ridgle | — | Designer (Site Evaluator) | OS0035421 |
| Jerry Don Preston | — | Installer (Class II)Inspector (Maintenance Provider) | OS0005005 |
| Jessie F Jr Eskue | — | Installer (Class I) | OS0039272 |
| Joey D Veasey | — | Designer (Site Evaluator) | OS0036602 |
| Katelynn Nicole Hill | — | Designer (Site Evaluator) | OS0040262 |
| Lauren Powers | — | Installer (Class II)Inspector (Maintenance Provider) | OS0039634 |
| Matthew K Powers | — | Installer (Class II)Inspector (Maintenance Provider) | OS0039635 |
| Michael Quannah Berry | — | Installer (Class II) | OS0039884 |
| Paul D Daugherty | — | Installer (Class II) | OS0006780 |
| Randy Glynn Denton | — | Designer (Site Evaluator) | OS0038213 |
| Randy Lemonds | — | Installer (Class II) | OS0040751 |
| Raymond Reeves Scott | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0006001 |
| Sheb Shaw | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0000192 |
| Stephen Paul Ray | — | Installer (Class II)Inspector (Maintenance Provider) | OS0007903 |
| Tanner Ellis | — | Installer (Class II)Designer (Site Evaluator) | OS0038430 |
| Tiffany Weber | — | Installer (Class I) | OS0038360 |
| Tim J Strickland | — | Designer (Site Evaluator) | OS0040566 |
| Tyler Pruitt | — | Installer (Class II) | OS0041391 |
| William G Jones | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0033857 |
27 companies in the TCEQ OSSF (On-Site Sewage Facility) occupational licenses are based in Van Zandt County as of 2026-07-23. Companies based elsewhere in Texas also commonly serve the county.
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