| Company | Location | Certifications | License # |
|---|---|---|---|
| 808 Enterprises LLC | Nordman, ID | Installer | — |
| A Team Excavating | Cocolalla, ID | Installer | — |
| Advanced Dirt Works & Development LLC | Sagle, ID | Installer | — |
| Alderleaf Inc. | Athol, ID | Installer | — |
| Allegiance Construction & Land Development | Sandpoint, ID | Installer | — |
| Amped Excavation | Priest River, ID | Installer | — |
| Apex Construction Services | Sagle, ID | Installer | — |
| Bay Builders & Excavation LLC | Clark Fork, ID | Installer | — |
| Bickson Septic & Excavating | Sandpoint, ID | Installer | — |
| Big Lake Excavation LLC | Sagle, ID | Installer | — |
| Billygoat Construction Inc. | Sagle, ID | Installer | — |
| Blackburn & Sons Construction LLC | Priest River, ID | Installer | — |
| Blackstad Enterprises LLC | Sandpoint, ID | Installer | — |
| Brothers Excavation LLC | Ponderay, ID | Installer | — |
| C&D Dirt Works LLC | Blanchard, ID | Installer | — |
| Carl Family Septic | Oldtown, ID | Installer | — |
| Clayton Tope Trucking & Excavating Inc. | Sandpoint, ID | Installer | — |
| Colten Plue Excavation LLC | Sandpoint, ID | Installer | — |
| Construction Management Team | Athol, ID | Installer | — |
| Copper Bay Construction Inc. | Nordman, ID | Installer | — |
| Cornice Construction LLC | Sandpoint, ID | Installer | — |
| Cozy Cottage Of Idaho LLC | Sagle, ID | Installer | — |
| Creative Excavation Inc. | Sagle, ID | Installer | — |
| Defender Development Inc. | Sandpoint, ID | Installer | — |
| Dependable Contracting Inc. | Priest River, ID | Installer | — |
| DH Concrete Inc. | Clark Fork, ID | Installer | — |
| Dig It LLC | Sagle, ID | Installer | — |
| Dirt Dynamic & Defense LLC | Priest Lake, ID | Installer | — |
| Dirt Works Unlimited, Inc. | Sandpoint, ID | Installer | — |
| Dixon Dirt Works | Priest River, ID | Installer | — |
| Douglas Construction & Custom Cutting Inc. | Priest River, ID | Installer | — |
| Durfee Construction LLC | Sandpoint, ID | Installer | — |
| East River Dirt Works LLC | Priest River, ID | Installer | — |
| Eaton Excavating | Priest River, ID | Installer | — |
| Ecklund Enterprise LLC | Oldtown, ID | Installer | — |
| Edward Bert Bentley DBA Mvr Homes LLC | Athol, ID | Installer | — |
| Emmert Electric & Mechanical | Priest River, ID | Installer | — |
| Excess Portables Toilets LLC | Priest River, ID | Pumper | — |
| Fisher Development | Sagle, ID | Installer | — |
| G7 Construction LLC | Priest River, ID | Installer | — |
| Gorilla Excavation | Sandpoint, ID | Installer | — |
| Gray Timber Construction | Laclede, ID | Installer | — |
| Greenwood Septic Tank Pumping | Sagle, ID | Pumper | — |
| Gun For Hire Inc. | Moyie Springs, ID | Installer | — |
| Harlicker Construction LLC | Sandpoint, ID | Installer | — |
| Hester Excavation | Sagle, ID | Installer | — |
| Hollett Trucking | Priest River, ID | Installer | — |
| HV Contracting LLC | Priest River, ID | Installer | — |
| Idagon Homes LLC | Sandpoint, ID | Installer | — |
| Inovate LLC | Priest River, ID | Installer | — |
| Integrity Custom Log Homes | Sagle, ID | Installer | — |
| Ironclad Excavation Inc. | Sandpoint, ID | Installer | — |
| Iversen and Sons Inc. | Spirit Lake, ID | Installer | — |
| J7 General Contracting LLC | Sagle, ID | Installer | — |
| JB Property Services LLC | Sandpoint, ID | Installer | — |
| Johns Welding & Repair | Priest River, ID | Installer | — |
| Kevin Hatcher Excavation and Trucking | Cocolalla, ID | Installer | — |
| Kevin Needs Excavation | Laclede, ID | Installer | — |
| Larry Mitchell Excavation LLC | Careywood, ID | Installer | — |
| Larsen Excavating | Old Town, ID | Installer | — |
| Legacy Land Services | Sandpoint, ID | Installer | — |
| Lions Not Sheep LLC DBA Kobe Construction | Clark Fork, ID | Installer | — |
| Lippert Excavation & Pipeline Inc. | Sandpoint, ID | Installer | — |
| Lynx Waterworks & Excavation LLC | Sandpoint, ID | Installer | — |
| Mountain Scape Inc. | Sandpoint, ID | Installer | — |
| Nefzger Development | Priest River, ID | Installer | — |
| North Country Contracting | Sagle, ID | Installer | — |
| Northern Land Pros LLC | Oldtown, ID | Installer | — |
| One Step Enterprises Inc. | Sandpoint, ID | Installer | — |
| Packsaddle Services LLC | Boise, ID | Installer | — |
| Pain Free Excavation LLC | Sandpoint, ID | Installer | — |
| Panhandle Contractors LLC | Sandpoint, ID | Installer | — |
| Peck Dirtworks LLC | Sagle, ID | Installer | — |
| Perry Stratton Bulldozing LLC | Sandpoint, ID | Installer | — |
| Pilch Custom Homes | Sandpoint, ID | Installer | — |
| Poopy Septic Services | Sagle, ID | Installer | — |
| Practical Mechanics | Athol, ID | Installer | — |
| Premier Land Service LLC | Sagle, ID | Installer | — |
| Priest Lake Excavating | Priest Lake, ID | Installer | — |
| Priest River Construction LLC | Priest River, ID | Installer | — |
| RH Excavating | Priest River, ID | Installer | — |
| Rock On Development | Athol, ID | Installer | — |
| Sandpoint Excavation Inc. | Cocolalla, ID | Installer | — |
| Schaper Brothers LLC | Priest River, ID | Installer | — |
| Scott Thompson Construction | Priest River, ID | Installer | — |
| Shockey Enterprise LLC | Laclede, ID | Installer | — |
| Storro Excavating LLC | Priest River, ID | Installer | — |
| Summit Tree Service & Excavation | Sandpoint, ID | Installer | — |
| Taylor & Son Construction | Sagle, ID | Installer | — |
| Top Notch Tree Service A Cut Above | Priest River, ID | Installer | — |
| Tork Construction | Sandpoint, ID | Installer | — |
| Watson Excavating | Sandpoint, ID | Installer | — |
| Weekend Hoe Excavation and Hauling | Hope, ID | Installer | — |
| West Selle Enterprises | Sandpoint, ID | Installer | — |
| Wholly Crap Septic | Oldtown, ID | Pumper | — |
| Ye Old Woodworking | Clark Fork, ID | Installer | — |
96 companies in the Idaho DEQ permitted subsurface sewage disposal system installers and septic tank pumpers are based in Bonner County as of 2026-07-23. Companies based elsewhere in Idaho also commonly serve the county.
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