MnDOT PREQUALIFICATION:

  • Highway Design, Levels 1-3

  • Geometric Layout, Levels 1-3

  • Signing Design, Levels 1-3

 

CERTIFICATIONS

  • Disadvantaged Business Enterprise (DBE) in Iowa, Minnesota, North Dakota, and Wisconsin

  • Small Business, Woman-Owned Business Enterprise (W/SBE) through CERT

  • Targeted Group Business (TGB) through CERT

Isthmus Engineering
500 Jackson Street
Saint Paul, MN 55101
(651) 288-0300
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