Midland Power Cooperative - Jefferson, Iowa

Acme Electric Company - Cedar Rapids, Iowa

Rick's Electric LLC - Washington, Iowa

East-Central Iowa Rural Electric Cooperative - Urbana, Iowa

Cedar Falls Utilities - Cedar Falls, Iowa

DH Solar - Prairie du Chien, Wisconsin

North West REC - Orange City, Iowa

Grundy County Rural Electric Cooperative - Grundy Center, Iowa

Scenic Rivers Energy Cooperative - Lancaster, Wisconsin

3E-Electrical Engineering & Equipment Company - Waterloo, Iowa