| Company | Location | Certifications | License # |
|---|---|---|---|
| Altra Onsite Services LLC | Princeton, MN | Designer (Advanced)Inspector (Advanced)Installer | L4487 |
| Angela Busse | Saint Cloud, MN | DesignerInspectorInstaller | L2658 |
| ASAP Pumping Service LLC | Saint Cloud, MN | Pumper | L4191 |
| Brainerd Lakes Sewer | Becker, MN | Pumper | L4367 |
| Busse's Septic Service | Saint Cloud, MN | Pumper | L1643 |
| Clints Excavating LLC | Saint Cloud, MN | DesignerInspectorInstaller | L772 |
| CWS Excavating Inc | Big Lake, MN | Installer | L861 |
| Dean Mark Bitner | Elk River, MN | Installer | L1595 |
| Finley Excavating LLC | Elk River, MN | Installer | L4016 |
| Glaze Excavating | Princeton, MN | Installer | L3934 |
| Granite City Environmental, LLC | Saint Cloud, MN | Designer (Advanced)Inspector (Advanced) | L3683 |
| Hansen Plumbing Heating & Air Inc | Becker, MN | Designer (Intermediate)Installer | L2700 |
| Herbst Excavating | Clear Lake, MN | Installer | L1175 |
| Holt Excavating LLC | Zimmerman, MN | Installer | L4348 |
| Imholte Excavation and Trucking LLC | Clear Lake, MN | DesignerInstallerPumper | L4014 |
| Jocelyn Water and Sewer LLC | Big Lake, MN | DesignerInspectorInstaller | L4530 |
| Kasper Excavating Inc. | Clear Lake, MN | Installer | L2391 |
| Lambert Excavating LLC | Becker, MN | Installer | L4301 |
| M.L. Schendzielos & Son Inc. | Clear Lake, MN | Installer | L578 |
| Marks Sewer Service Inc | Princeton, MN | InstallerPumper | L2574 |
| MJS Dirtworks LLC | Clear Lake, MN | Installer | L4098 |
| Northland Dirt, Inc. | Princeton, MN | Installer | L4384 |
| Pauls Excavating LLC | Saint Cloud, MN | DesignerInspectorInstaller | L2144 |
| Progressive Onsite Septic LLC | Zimmerman, MN | DesignerInspector | L4145 |
| Prom Excavating LLC | Saint Cloud, MN | Designer (Intermediate)InspectorInstaller | L801 |
| Rotz Septic and Excavating Inc. | Elk River, MN | DesignerInspectorInstallerPumper | L3987 |
| Rum River Construction Consultants | Princeton, MN | Inspector | L4036 |
| Scott Grabinski | Clear Lake, MN | Installer | L2804 |
| Sota Earth Works LLC | Zimmerman, MN | InspectorInstaller | L4278 |
| Steinbrecher Companies Inc | Zimmerman, MN | Designer (Advanced)Inspector (Advanced)Installer | L2851 |
| Superior Septic Systems Inc | Zimmerman, MN | Installer | L1982 |
| TW Hauling and Excavating, Inc. | Zimmerman, MN | DesignerInspectorInstaller | L2420 |
| Wruck Excavating Inc | Becker, MN | DesignerInstaller | L2714 |
| Wruck Sewer and Portable Rentals LLC | Becker, MN | InstallerPumper | L3928 |
34 companies in the Minnesota MPCA SSTS licensed business registry are based in Sherburne County as of 2026-07-23. Companies based elsewhere in Minnesota also commonly serve the county.
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