| Company | Location | Certifications | License # |
|---|---|---|---|
| 5 Star Excavating LLC | West Concord, MN | DesignerInspectorInstaller | L4250 |
| Affordable Portables | Kasson, MN | Pumper | L2979 |
| Brians Dirtworks Inc | Mantorville, MN | Installer | L2352 |
| Ellingson Drainage Inc | West Concord, MN | DesignerInspectorInstaller | L77 |
| Harbaugh Septic LLC | Mantorville, MN | Inspector (Advanced) | L4218 |
| Kasper Plumbing Inc | Claremont, MN | DesignerInstaller | L3186 |
| Ken Schimek Construction Inc | Hayfield, MN | Installer | L1229 |
| Leth Sewer Service LLC | Mantorville, MN | Pumper | L180 |
| Munnikhuysen Septic & Excavating LLC | Dodge Center, MN | Designer (Advanced)Inspector (Advanced)Installer | L4394 |
| Olive Bros. Excavation, LLC | Mantorville, MN | Installer | L2509 |
| Paulson Excavating LLC | Mantorville, MN | Installer | L4304 |
| Ponds & More LLC | Dodge Center, MN | Installer | L3889 |
| Wirth Septic Systems LLC | Dodge Center, MN | Designer (Advanced)Inspector (Advanced)InstallerPumper | L871 |
13 companies in the Minnesota MPCA SSTS licensed business registry are based in Dodge County as of 2026-07-23. Companies based elsewhere in Minnesota also commonly serve the county.
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