| Company | Location | Certifications | License # |
|---|---|---|---|
| A and A Excavating | Meridian, ID | Installer | — |
| ABC Pumping Services | Meridian, ID | InstallerPumper | — |
| Affordable Excavation LLC | Melba, ID | Installer | — |
| Alpha Excavation LLC | Kuna, ID | Installer | — |
| American Boring and Excavation LLC | Boise, ID | Installer | — |
| Anderson and Wood Construction Co Inc | Meridian, ID | Installer | — |
| Anderson Construction Inc | Boise, ID | Installer | — |
| Apex Excavation | Kuna, ID | Installer | — |
| Beus Excavation & Construction | Nampa, ID | Installer | — |
| Bivins Excavating and Remodeling | Garden City, ID | Installer | — |
| Blue Mountain Electric and Excavation LLC | Middleton, ID | Installer | — |
| Bob Camp Excavation | Boise, ID | Installer | — |
| Brooks Excavation | Boise, ID | Installer | — |
| Cascade Custom Construction LLC | Meridian, ID | Installer | — |
| DeBest Plumbing Inc | Boise, ID | Installer | — |
| EKC Enterprises | Boise, ID | Installer | — |
| Emergency Support Services | Boise, ID | Pumper | — |
| Esteban Rogers | Parma, ID | Installer | — |
| Excavation Plus LLC | Meridian, ID | Installer | — |
| Excel Excavation LLC | Meridian, ID | Installer | — |
| Foreman Excavation | Boise, ID | Installer | — |
| G and S Excavation LLC | Nampa, ID | Installer | — |
| Gregg Barney Excavation Inc | Meridian, ID | Installer | — |
| H and B Crushing | Kuna, ID | Installer | — |
| High Country Excavation | Boise, ID | Installer | — |
| High Valley Construction | Caldwell, ID | Installer | — |
| Highmark Excavation | Meridian, ID | Installer | — |
| Idaho Dirt Company | Meridian, ID | Installer | — |
| Idaho Grading and Trucking | Boise, ID | Installer | — |
| Impact Excavating | Caldwell, ID | Installer | — |
| Iron Horse Excavation LLC | Boise, ID | Installer | — |
| Jim Russell Excavation | Kuna, ID | Installer | — |
| Jims Well Drilling | Kuna, ID | Installer | — |
| JNK Excavation | Garden City, ID | Installer | — |
| John Brown Excavation | Boise, ID | Installer | — |
| Just Dig It | Meridian, ID | Installer | — |
| Keith Braun Construction | Meridian, ID | Installer | — |
| Knife River Corporation - Mountain West | Boise, ID | Installer | — |
| Knight Plumbing and Construction Inc | Eagle, ID | Installer | — |
| L2 Excavation | Nampa, ID | Installer | — |
| Legends LLC | Boise, ID | Installer | — |
| Liberty Homes Inc. | Grand View, ID | Installer | — |
| Master Excavation LLC | Meridian, ID | Installer | — |
| Master Rooter Plumbing | Meridian, ID | Pumper | — |
| Master Rooter Service LLC | Meridian, ID | Installer | — |
| McAlvain Construction Inc | Boise, ID | Installer | — |
| Merica Precision Construction LLC | Middleton, ID | Installer | — |
| Morgan Creek Homes | Meridian, ID | Installer | — |
| Mow Idaho | Nampa, ID | Installer | — |
| Pleasant View Construction | Eagle, ID | Installer | — |
| Precision Excavation and Construction | Meridian, ID | Installer | — |
| Pro Excavation LLC | Eagle, ID | Installer | — |
| Red Fox Excavation LLC | Boise, ID | Installer | — |
| Ridge Top Services | Kuna, ID | Installer | — |
| Rock Solid Excavation | Boise, ID | Installer | — |
| Roto Rooter | Boise, ID | Pumper | — |
| Roto Rooter | Meridian, ID | Installer | — |
| Sawtooth Earthworks LLC | Hailey, ID | Installer | — |
| Shamrock Construction and Excavation | Caldwell, ID | Installer | — |
| Solid Earth LLC | Boise, ID | Installer | — |
| Spiers Construction | Caldwell, ID | Installer | — |
| Stephens Enterprises Construction LLC | Eagle, ID | Installer | — |
| Struckmans Backhoe Service | Meridian, ID | Installer | — |
| Summit Portable Restrooms | Nampa, ID | Pumper | — |
| Taylor Morgan Plumbing and Septic | Garden City, ID | Installer | — |
| Titan Excavation and Construction | Boise, ID | Installer | — |
| Titan Technologies INC | Boise, ID | Installer | — |
| Toyco Construction LLC | Meridian, ID | Installer | — |
| Tradestar Excavation | Nampa, ID | Installer | — |
| True Blue Excavation | Emmett, ID | Installer | — |
| Tuffy Excavation Inc | Boise, ID | Installer | — |
| Ultimate Excavation LLC | Caldwell, ID | Installer | — |
| United Site Services | Boise, ID | Pumper | — |
| Warner Construction Inc | Boise, ID | Installer | — |
| Wood Brothers Trucking and Construction | Nampa, ID | Installer | — |
75 companies in the Idaho DEQ permitted subsurface sewage disposal system installers and septic tank pumpers are based in Ada County as of 2026-07-23. Companies based elsewhere in Idaho also commonly serve the county.
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