Serving Minnesota, North Dakota, & South Dakota

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  • Manholes
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  • SpectraShield
  • About Us
  • Careers
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free manhole Lining demo

Choose a manhole in your municipality and we’ll line it for free during a demonstration. Each demo lasts about 1 hour.

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Lunch & learns

We also provide Lunch & Learn sessions that typically count towards Continuing Education Unit (CEU) requirements for engineers. 

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  • Manhole Rehab Services
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  • SpectraShield

145 Field Crest Blvd NW
Cokato, MN 55321
Phone: (320) 286-2471

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