| Company | Location | Certifications | License # |
|---|---|---|---|
| Ground Works Excavating | Ivanhoe, MN | Installer | L3912 |
| K L Septic | Tyler, MN | Designer (Intermediate)Inspector (Intermediate) | L1842 |
| Lakeside Excavating LLC | Taunton, MN | Installer | L4310 |
| Liberty Septic Incorporated | Tyler, MN | InstallerPumper | L3273 |
| REO Enterprises LLC | Canby, MN | DesignerInspector | L4215 |
| Te Underground Llc | Tyler, MN | Installer | L3848 |
| Thomas Plumbing Inc | Tyler, MN | Installer | L3836 |
| Victor Construction, Inc. | Hendricks, MN | Installer | L2799 |
8 companies in the Minnesota MPCA SSTS licensed business registry are based in Lincoln County as of 2026-07-23. Companies based elsewhere in Minnesota also commonly serve the county.
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