25th Massachusetts Volunteer Infantry
- Dedicated to preserve the memory of the original members. Includes a schedule of events, history, photos, and membership information. Located in Uxbridge.
- http://www.25thmass.org/

54th Massechusetts Volunteer Infantry, Company I
- Civil War reenactors portray the experience of the African American soldier in the American Civil War in South Carolina; membership information, events schedule.
- http://www.awod.com/gallery/probono/cwchas/54ma.html

22nd Massachusetts Volunteer Infantry
- One of the largest Civil War reenactment groups in the Northeast. Biographies and history of original unit, current members, photos, and schedule of events.
- http://22ndmass.org/

28th Massachusetts Volunteer Infantry
- Companies A, C, and H. Non-profit living history organization portrays one of the units of the famed Irish Brigade.
- http://www.28thmass.org