Certified septic pumping companies in Stillwater County, MT

✓ 2 companies based in Stillwater County, from the Montana DEQ licensed septic pumpers list (retrieved 2026-07-23). Companies based in neighboring counties often serve here too — see the full Montana list.

Company	Location	Certifications	License #
Big Sky Portables Llc	—	Pumper	S-1175
R.L. Frank Septic Service Inc	—	Pumper	S-1149

FAQs

How many certified septic pumping companies are in Stillwater County?

2 companies in the Montana DEQ licensed septic pumpers list are based in Stillwater County as of 2026-07-23. Companies based elsewhere in Montana also commonly serve the county.

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