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.
PO Box 384
Windom, MN 56101