| Company | Location | Certifications | License # |
|---|---|---|---|
| Darell L Fellers | — | Installer (Class II)Designer (Site Evaluator) | OS0027357 |
| Keith R Maxam | — | Installer (Class I)Designer (Site Evaluator) | OS0033621 |
2 companies in the TCEQ OSSF (On-Site Sewage Facility) occupational licenses are based in Jeff Davis County as of 2026-07-23. Companies based elsewhere in Texas also commonly serve the county.
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