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

Waverly Utilities - Waverly, Iowa

Quincy Recycle - Marion, Iowa

Winneshiek County Sanitary Landfill - Decorah, Iowa

Olson Solar Energy - Onalaska, Wisconsin