| Company | Location | Certifications | License # |
|---|---|---|---|
| A & B Excavating | Shoshone, ID | Installer | — |
| A & M Sewer and Waste Disposal | Heyburn, ID | Installer | — |
| Aspen Construction | Oakley, ID | Installer | — |
| Berkeley Construction Inc. | Rupert, ID | Installer | — |
| Boden Plumbing and Excavation LLC Installers | Elba, ID | Installer | — |
| Canyon Excavation LLC | Shoshone, ID | Installer | — |
| Denos LLC | Rupert, ID | InstallerPumper | — |
| Dodge Brothers Construction & Excavation LLC | Rupert, ID | Installer | — |
| Dr Rasmussen Backhoe Service LLC | Rupert, ID | Installer | — |
| Gill Dirt Works Inc. | Richfield, ID | Installer | — |
| High Output Construction Inc. | Rupert, ID | Installer | — |
| Hoyts Septic and Excavation | Rupert, ID | Pumper | — |
| Joes Backhoe Service Inc. | Richfield, ID | Installer | — |
| Kimberly Construction Inc. | Kimberly, ID | Installer | — |
| Lee's Excavation | Shoshone, ID | Installer | — |
| Loma Land Lc | Rupert, ID | Installer | — |
| Mikes Pipe LLC | Rupert, ID | Installer | — |
| Randell Construction | Kimberly, ID | Installer | — |
| Simms Excavation LLC | Oakley, ID | Installer | — |
| South Idaho Excavation | Murtaugh, ID | Installer | — |
| Sunco Excavation CO LLC | Rupert, ID | Installer | — |
| Sweets Septic Tank & Backhoe Service Inc. | Shoshone, ID | InstallerPumper | — |
| The Drop Zone LLC | Heyburn, ID | Pumper | — |
| Walton Inc. | Heyburn, ID | Installer | — |
24 companies in the Idaho DEQ permitted subsurface sewage disposal system installers and septic tank pumpers are based in Minidoka County as of 2026-07-23. Companies based elsewhere in Idaho also commonly serve the county.
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