| Company | Location | Certifications | License # |
|---|---|---|---|
| B&L Excavation | Pinehurst, ID | Installer | — |
| Idaho North Excavation LLC | Wallace, ID | Installer | — |
| Inland Northwest Contracting LLC | Kellogg, ID | Installer | — |
| Jims Bobcat Service | Kingston, ID | Installer | — |
| L&L Portable Toilets | Rathdrum, ID | Pumper | — |
| New Vista Development Inc. | Pinehurst, ID | Installer | — |
| Silver Valley Sani Cans | Kingston, ID | Pumper | — |
| Tams Traveling Toilets | Pinehurst, ID | Pumper | — |
| West Valley Contractors | Kingston, ID | Installer | — |
9 companies in the Idaho DEQ permitted subsurface sewage disposal system installers and septic tank pumpers are based in Shoshone County as of 2026-07-23. Companies based elsewhere in Idaho also commonly serve the county.
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