| Company | Location | Certifications | License # |
|---|---|---|---|
| Correct Septic LLC | Aitkin, MN | DesignerInspector | L4422 |
| D R Lundquist Excavating Inc | Aitkin, MN | Installer | L730 |
| Darlow Excavating | McGregor, MN | DesignerInspectorInstallerPumper | L910 |
| David Michael Engdahl | Isle, MN | DesignerInspectorInstaller | L2006 |
| Ekelund Excavating Inc | McGregor, MN | DesignerInstaller | L552 |
| EKR Services LLC | Aitkin, MN | Pumper | L4460 |
| Emery Inc. | Aitkin, MN | Installer | L4227 |
| Fairchild Construction LLC | Aitkin, MN | Installer | L4071 |
| Farley Sewer Systems | McGregor, MN | DesignerInspectorInstaller | L1919 |
| Grund Septic Services LLC | Aitkin, MN | Inspector (Advanced) | L4450 |
| Hegman/Kern Excavating | Palisade, MN | DesignerInstaller | L211 |
| Kangas Enterprise, Inc. | McGregor, MN | InstallerPumper | L2526 |
| Ladd Construction | Palisade, MN | Installer | L3131 |
| Langes Nursery and Landscaping Inc | Hill City, MN | DesignerInstaller | L1174 |
| Liljenquist Sewer & Excavating, Inc. | Aitkin, MN | DesignerInstaller | L127 |
| McNeil Excavating | Hill City, MN | Installer | L2585 |
| O'Neil Sewer & Excavating | Aitkin, MN | DesignerInspectorInstaller | L2132 |
| R&R Landscaping & Construction, Inc. | Aitkin, MN | Installer | L4323 |
| Ritter Sewer and Excavating Inc | Aitkin, MN | DesignerInspectorInstaller | L698 |
| Thompson Excavating LLC | Aitkin, MN | Installer | L2291 |
| Timber Lakes Portable Services, LLC | McGregor, MN | Pumper | L4174 |
| Timber Lakes Septic Service, Inc. | Aitkin, MN | Inspector (Advanced)InstallerPumper | L455 |
| Westerlund Construction LLC | Aitkin, MN | Designer (Intermediate)Installer | L663 |
23 companies in the Minnesota MPCA SSTS licensed business registry are based in Aitkin County as of 2026-07-23. Companies based elsewhere in Minnesota also commonly serve the county.
Tell us what you need — we'll connect you with state-certified companies serving your area. No obligation.