| Company | Location | Certifications | License # |
|---|---|---|---|
| Albers A&A Restrooms | Dundas, MN | Pumper | L1637 |
| Anthony Heyda | Montgomery, MN | Designer (Advanced)Inspector (Advanced)Installer | L4400 |
| B & B Excavating, Inc. | Faribault, MN | DesignerInstaller | L386 |
| B & B Pumping & Portables, Inc. | Faribault, MN | Pumper | L2503 |
| Badger Excavating Inc | Lonsdale, MN | DesignerInstaller | L1558 |
| Dahle Enterprises of Morristown LLC | Morristown, MN | DesignerInspectorInstallerPumper | L419 |
| DeRudder Excavating | Webster, MN | Installer | L1183 |
| Johnny on the Spot, Inc. | Faribault, MN | Pumper | L4190 |
| Kirk Flom Septic Service | Faribault, MN | DesignerInspectorInstallerPumper | L2401 |
| Lake State Environmental LLC | Faribault, MN | Designer (Advanced)Inspector (Advanced) | L4308 |
| LaRoche's | Faribault, MN | Designer (Intermediate)Inspector (Intermediate)InstallerPumper | L4269 |
| Matthes Excavating & Septic LLC | Morristown, MN | DesignerInstaller | L4369 |
| MN Earthworks, LLC | Montgomery, MN | Installer | L4065 |
| MS Excavating Inc | New Prague, MN | Designer (Advanced)Inspector (Advanced)InstallerPumper | L438 |
| Nerstrand Excavating Inc | Nerstrand, MN | DesignerInstaller | L2051 |
| Olson Contracting | New Prague, MN | InstallerPumper | L3903 |
| Petricka Construction | Faribault, MN | DesignerInstaller | L1283 |
| Rent N Save Portable Services | Faribault, MN | Pumper | L2588 |
| Timms Trucking Inc | Morristown, MN | DesignerInstaller | L2933 |
| Town and Country Sanitary Sewer Service LLC | Webster, MN | Pumper | L1845 |
| Unlimited Siteworks LLC | Faribault, MN | DesignerInstaller | L4417 |
| Witte Bros, Inc | Faribault, MN | Installer | L667 |
22 companies in the Minnesota MPCA SSTS licensed business registry are based in Rice County as of 2026-07-23. Companies based elsewhere in Minnesota also commonly serve the county.
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