| Company | Location | Certifications | License # |
|---|---|---|---|
| Barbara Jo Rs Weishuhn | — | Designer (Site Evaluator) | OS0008657 |
| Bruce J Lesikar | — | Designer (Site Evaluator) | OS0011839 |
| Daniel L Burchfield | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0007258 |
| Irving Sr Williams | — | Installer (Class II) | OS0012887 |
| James W Pe Weishuhn | — | Installer (Class II)Designer (Site Evaluator) | OS0028870 |
| Jason L Class | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0025715 |
| Jesy Cole Austin | — | Installer (Class II) | OS0041442 |
| Lamar Michael Jr Darr | — | Installer (Class I) | OS0000017 |
| Roscoe T Truchard | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0025581 |
| Ross J Pe Weishuhn | — | Designer (Site Evaluator) | OS0033772 |
| Ryan Rhodes | — | Installer (Class II) | OS0038579 |
11 companies in the TCEQ OSSF (On-Site Sewage Facility) occupational licenses are based in Colorado County as of 2026-07-23. Companies based elsewhere in Texas also commonly serve the county.
Tell us what you need — we'll connect you with state-certified companies serving your area. No obligation.