| 1st Brigade Veterans' Reserve Corps |
| Association of Lincoln Presenters |
| Mrs. Mary Todd Lincoln |
| Black Hat Battalion |
| Birney's Division |
| Civilians of Gettysburg |
| Columbia Rifles |
| Company I |
| First Federal Division |
| Frontier Brigade |
| Hard Head Mess |
| Iron Brigade Guard |
| Mifflin Guard |
| National Regiment |
| National Regiment, Field Music |
| New England Brigade |
| Salt River Rifles |
| Sykes’ Regulars |
| Top Rail Mess |
| Union Army Living History Organization |
| United States Volunteers |
|
| United States Army |
|
| 1st United States Infantry |
| 1st Regt. United States Sharpshooters, Company C (Berdan's). |
| 2nd United States Artillery, Battery B |
| 2nd United States Cavalry |
| 2nd United States Cavalry Company A |
| 2nd US Dragoons / Cavalry, Company H |
| 2nd United States Infantry, Company C (UK) |
| 2nd United States Infantry, Company C (NC) |
| 2nd United States Sharpshooters, Company C |
| 3rd United States Battery L&M |
| 3rd U.S. Artillery, Company A |
| 3rd U.S. Artillery, Battery E |
| 4th United States Artillery, Battery A |
| 4TH U.S. Cavalry, Co. F |
| 4th United States Infantry |
| 4th United States Infantry, Company C |
| 4th United States Light Artillery, Battery B |
| 4th U.S. Artillery Regimental Brass Band |
| 4th U.S. Medical |
| 5th United States Colored Troops (USCT), Company B |
| 8th United States Colored Troops (USCT), Company B |
| 12th United States Colored Heavy Artillery |
| 12th Regiment U.S. Regular Infantry |
| 12th United States Infantry, Company A |
| 13th United States Infantry Recruitment |
| 13th United States Infantry, Company A |
| 13th United States Infantry, Company C |
| 13th United States Infantry, Company D |
| 16th U.S. Medical Corps |
19th United States Infantry, Company A
Civil War Signal Corps and United States Military Telegraph |
| Division Cavalry Brigade, 1st Federal Division |
| United States Corps of Topographical Engineers |
| United States Sanitary Commission |
| United States Sanitary Commission |
| United States Sanitary Commission |
| Washington Blue Rifles |
|
| United States Navy & Marines |
|
| KEARSARGE AFTERGUARD AND MARINE DETACHMENT |
| Union Naval Historical Society |
| U.S. Naval Landing Party |
| United States Marine Detachment, Washington Navy Yard |
| USS Constellation |
| U.S. Bark Ethan Allen |
| U.S.S. Fort Henry |
