Willimantic Food Co-Op
- Member owned whole foods market with a focus on distribution of locally produced goods. Membership information, co-op history, newsletter, and contact details.
- http://www.willimanticfood.coop/

Hosmer Mountain Bottling Co., Inc.
- Bottles 40 flavors of soda, sold by retailers and restaurants in Eastern Connecticut. Includes information about how their products are made.
- http://hosmer.pds2k.com/

Prue, Bacharach & Associates, P.C.
- Full-service law firm with offices in Willimantic and Manchester, Connecticut.
- http://www.pruebachlaw.com

Curbstone Press
- Non-profit publisher of Latin American and Latino literature
- http://www.curbstone.org/

Willimantic Brewing Company
- Restaurant and pub brewery located at the former U.S. Post Office building in downtown Willimantic.
- http://www.willibrew.com/

Champagne Chevrolet Geo
- provides Test Drive@Home options, on-line credit apps and searchable databases of inventory. Located in Williamantic.
- http://www.champagneauto.com/