This is not a complete list of Rhode Island businesses that have done renewable energy projects.  If you're aware of businesses that have done solar, wind, or geothermal projects that should be on the list but aren't, please let me know at signit2@hotmail.com.  Also, if you should find any broken links, please let me know about them.

Bristol

Cranston

Middletown

Narragansett

North Scituate

Providence

Warwick

Watch Hill

West Greenwich

West Kingston

Wyoming