Iowa

East-Central Iowa Rural Electric Cooperative - Urbana, Iowa

Cedar Falls Utilities - Cedar Falls, Iowa

North West REC - Orange City, Iowa

Grundy County Rural Electric Cooperative - Grundy Center, Iowa

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

Waverly Utilities - Waverly, Iowa

Quincy Recycle - Marion, Iowa

Winneshiek County Sanitary Landfill - Decorah, Iowa

Can Shed Marion - Marion, Iowa

Can Shed Hiawatha - Hiawatha, Iowa