| Company | Location | Certifications | License # |
|---|---|---|---|
| A & A Septic Service, LLC | Mora, MN | Pumper | L3213 |
| American Septic | Hinckley, MN | Pumper | L2525 |
| Crooked Creek Consulting LLC | Hinckley, MN | DesignerInspectorInstaller | L4298 |
| D. Schlomka Inc. | Hinckley, MN | DesignerInspectorInstaller | L1106 |
| David Gerard Excavating, LLC | Willow River, MN | Installer | L4156 |
| E Five Home Services LLC | Finlayson, MN | DesignerInspector | L4219 |
| Fox Excavating LLC | Pine City, MN | DesignerInstaller | L4507 |
| Grasston Excavating and Landscaping, LLC | Grasston, MN | DesignerInstaller | L3108 |
| Hessenius Excavating LLC | Askov, MN | Installer | L2488 |
| Jensen Septic | Hinckley, MN | Designer | L4486 |
| JH Inspection & Design LLC | Brook Park, MN | DesignerInspector | L4097 |
| Jones Construction Services Inc | Pine City, MN | DesignerInstaller | L3953 |
| Larry Udean Construction | Pine City, MN | Installer | L539 |
| M Doenz Excavating LLC | Pine City, MN | Installer | L4514 |
| Melzark Sewer & Excavation | Askov, MN | DesignerInspectorInstallerPumper | L368 |
| Mission Creek Earthworks LLC | Hinckley, MN | Installer | L4287 |
| MPJ Enterprises LLC | Sandstone, MN | DesignerInstaller | L1234 |
| Patzoldt Brothers Inc. | Pine City, MN | Installer | L2668 |
| Paul's Portables | Sandstone, MN | Pumper | L3349 |
| Precision Grade LLC | Willow River, MN | DesignerInspectorInstaller | L3846 |
| Purple Pumper, LLC | Sandstone, MN | Pumper | L2924 |
| Rabe Excavating, LLC | Hinckley, MN | Installer | L4276 |
| Ramberg Excavating | Pine City, MN | Installer | L4110 |
| Ramberg Soil Consulting | Pine City, MN | DesignerInspectorInstaller | L2113 |
| Roberts Excavating LLC | Askov, MN | DesignerInspector | L1572 |
| Sandberg Construction Inc | Sturgeon Lake, MN | DesignerInstaller | L714 |
| Schlomka Septic Service, LLC | Hinckley, MN | Pumper | L3918 |
| Stransky Construction, LLC | Pine City, MN | Installer | L411 |
| Summerland Excavating, Inc. | Hinckley, MN | Installer | L3283 |
| The Septic Doctor | Sandstone, MN | DesignerInspector | L4306 |
| Triple J Excavating LLC | Grasston, MN | Installer | L2944 |
| Wolf Creek Dirt Works | Willow River, MN | Installer | L3976 |
32 companies in the Minnesota MPCA SSTS licensed business registry are based in Pine County as of 2026-07-23. Companies based elsewhere in Minnesota also commonly serve the county.
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