PO Box 384
Windom, MN 56101



Dennis Johnson 507821521
Matt Johnson 5072206491
Mike Johnson 5078221735

Johnson Engineering Group is a consulting engineering firm based in Windom, MN. We have been helping dairy farmers build the infrastructure they need to supply the highest quality dairy products for over 25 years. We have completed 85 projects in IA, MN, ND, SD including 14 greenfield dairies, 14 sand lands, and 4 sand separators.

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