SunRackSolar - Clear Lake, Iowa

MidAmerican - Newton, Iowa

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

Big Ox Energy - Riceville, Iowa

Heartland Solar Solutions - Clive, Iowa

Forest City Municipal Utilities - Forest City, Iowa

Northeast Iowa Electric, LLC - Waukon, Iowa

Sioux Valley Energy - Pipestone, Minnesota

Chapman Electric, Inc. - Hudson, Iowa

Austin Utilities - Minnesota - Austin, Minnesota