| Company | Location | Certifications | License # |
|---|---|---|---|
| Art Anderson Septic Tank Pumping | Detroit Lakes, MN | Pumper | L2908 |
| Backhoe Benny LLC | Menahga, MN | Installer | L4524 |
| Backhoe Pete | Menahga, MN | DesignerInstaller | L909 |
| Boit Excavating | Detroit Lakes, MN | Installer | L559 |
| Clearwater Sewer Systems | Ponsford, MN | Installer | L4259 |
| Cubed B LLC | Lake Park, MN | DesignerInspector | L4142 |
| D & B Septic & Excavation, LLC | Detroit Lakes, MN | DesignerInstaller | L2591 |
| Darryl Bergstrom Backhoe Services | Rochert, MN | DesignerInspectorInstallerPumper | L478 |
| Deweys Septic Service LLC | Lake Park, MN | DesignerInspectorInstallerPumper | L2884 |
| Graham Septic LLC | Detroit Lakes, MN | Installer | L4132 |
| Gustner Construction LLC | Detroit Lakes, MN | Installer | L4427 |
| Hendrickson Excavating | Osage, MN | DesignerInstaller | L715 |
| Hough Inc of Detroit Lakes | Detroit Lakes, MN | Designer (Advanced)InspectorInstaller | L770 |
| JenCo Services, LLC | Frazee, MN | DesignerInspector | L4041 |
| Metry Septic & Excavating LLC | Audubon, MN | InstallerPumper | L3992 |
| Moore's Septic Pumping LLC | Detroit Lakes, MN | Pumper | L2939 |
| Muffs Trenching LLC | Callaway, MN | DesignerInstaller | L576 |
| Ohm Excavating LLC | Audubon, MN | Designer (Advanced)InspectorInstallerPumper | L4034 |
| Ohm Septic Design & Inspection LLC | Audubon, MN | Designer (Advanced)InspectorPumper | L4423 |
| Peterson Construction LLC | Rochert, MN | Installer | L4389 |
| Prograde Excavating LLC | Frazee, MN | Installer | L4492 |
| Racer Construction Inc | Osage, MN | DesignerInspectorInstaller | L2122 |
| Renner Excavating LLC | Audubon, MN | DesignerInspectorInstaller | L2567 |
| Rigid Excavating, LLC | Menahga, MN | DesignerInstaller | L2704 |
| Ryan Osterman | Frazee, MN | Installer | L4242 |
| Septic Vac | Detroit Lakes, MN | Pumper | L1770 |
| Stenger Excavating LLC | Detroit Lakes, MN | DesignerInspectorInstaller | L553 |
| Stenger's Septic Pumping | Detroit Lakes, MN | Pumper | L2911 |
| Thelen's Excavating Inc | Park Rapids, MN | DesignerInstallerPumper | L534 |
| Tony Stenger Excavating | Detroit Lakes, MN | DesignerInstaller | L388 |
| TP's Septic LLC | Detroit Lakes, MN | Installer | L4313 |
| Vareberg Backhoe Services | Detroit Lakes, MN | DesignerInspectorInstaller | L1910 |
| Winterberger Inspections | Osage, MN | DesignerInspector | L1565 |
33 companies in the Minnesota MPCA SSTS licensed business registry are based in Becker County as of 2026-07-23. Companies based elsewhere in Minnesota also commonly serve the county.
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