Springfield Telescope Makers, Inc.
- Amateur astronomy and telescope making club and sponsor of the annual Stellafane Convention in July or August. Includes hobby information, history, articles and photographs.
- http://stellafane.org/

Springfield Hospital
- Not-for-profit community hospital, a subsidiary of Springfield Medical Care Systems. Provides information on services, medical staff, employment opportunities and support groups.
- http://www.springfieldhospital.org

Southern Vermont Recreation Center
- The SVRC is a non-profit community organization offering aquatic, cardiovascular, and strength-training exercise.
- http://www.springfieldreccenter.com/

Connecticut River Transit, Inc.
- Private, non-profit personal mobility specialist servicing the Windham and Southern Windsor County areas.
- http://www.crtransit.org