| Company | Location | Certifications | License # |
|---|---|---|---|
| A-1 Sanitation Inc | — | Pumper | S-824 |
| Irc Inc | — | Pumper | S-989 |
| Mr Hankey'S Porta Potties, Inc | — | Pumper | S-1165 |
| Pedersen & Company Pumping Inc | — | Pumper | S-1091 |
| Pop A Squat Portables | — | Pumper | S-1125 |
| Ray Baier Septic Service Llc | — | Pumper | S-876 |
| Ready Freddy, Inc. | — | Pumper | S-383 |
| Septic Busters Llc | — | Pumper | S-1194 |
| Shur Clean Portable Toilets, Inc | — | Pumper | S-1001 |
9 companies in the Montana DEQ licensed septic pumpers list are based in Flathead County as of 2026-07-23. Companies based elsewhere in Montana also commonly serve the county.
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