| | - 20th Maine Volunteer Infantry Regiment
- 21st Maine Volunteer Infantry Regiment
- 22nd Maine Volunteer Infantry Regiment
- 23rd Maine Volunteer Infantry Regiment
- 24th Maine Volunteer Infantry Regiment
- 25th Maine Volunteer Infantry Regiment
- 26th Maine Volunteer Infantry Regiment
- 27th Maine Volunteer Infantry Regiment
- 28th Maine Volunteer Infantry Regiment
- 29th Maine Volunteer Infantry Regiment
- 30th Maine Volunteer Infantry Regiment
- 31st Maine Volunteer Infantry Regiment
- 32nd Maine Volunteer Infantry Regiment
- 1st Maine Veteran Volunteer Infantry Regiment
- 1st Maine Infantry Battalion
- Company of Maine Sharpshooters [Company D, 2nd U.S. Sharpshooters]
- 1st Battalion Maine Sharpshooters
- Maine Coast Guard Companies
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