| Company | Location | Certifications | License # |
|---|---|---|---|
| Aero Power Vac, Inc | — | Pumper | S-1044 |
| Dirty Treasures Llc | — | Pumper | S-1188 |
| Garden City Plumbing & Heating | — | Pumper | S-1216 |
| Halsteads Of Montana Inc | — | Pumper | S-887 |
| Ponderosa Portables Llc/Cws Llc | — | Pumper | S-1201 |
| Rockn B Septic Service | — | Pumper | S-1082 |
| Saddleback Contracting Llc | — | Pumper | S-1132 |
| Sanitation Solutions | — | Pumper | S-1094 |
| Sweet Pea Sewer & Septic | — | Pumper | S-834 |
9 companies in the Montana DEQ licensed septic pumpers list are based in Missoula County as of 2026-07-23. Companies based elsewhere in Montana also commonly serve the county.
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