This is not a complete list of businesses in Indiana that have done renewable energy projects.  If you're aware of businesses in Indiana or anywhere in the U.S. that should be on this list because they use solar, wind, or a heat pump, please let me know at signit2@hotmail.com.  Also, please let me know if you encounter a broken link.

Bloomington

Carmel

Columbus

Edinburgh

Evansville

Fort Branch

Fort Wayne

Goshen

Indianapolis

New Albany

Newburgh

Paoli

Rockport

Saint Johns

Shipshewana

Spencer