Units of the Centennial Legion |
| Years | State | Unit (Formerly) ** |
| 1636 | Mass. | 1st/182nd Inf. (North Regiment of Massachusetts) |
* | 1638 | Mass. | Ancient and Honorable Artillery Company of Massachusetts |
| 1652 | Va. | 1st/176th Inf. (1st Va. Regiment) |
| 1672 | Conn. | HQ-1st/169th Inf. (1st Connecticut Regiment of Militia) |
| 1672 | Conn. | 1st/192nd FA (Regiment of Fairfield County) |
| 1726 | Mass. | 125th Signal Bn.(First Corps of Cadets) |
| 1736 | Mass. | Massachusetts National Lancers |
| 1739 | Conn. | 102nd Inf. (2nd Connecticut Regiment of Militia) |
* | 1741 | R.I. | Artillery Company of Newport, R.I.M. |
* | 1747 | Pa. | Veteran Guard, 3rd Infantry, Pennsylvania |
* | 1747 | Pa. | Veteran Corps, 1st Infantry Regiment, Pennsylvania |
* | 1771 | Conn. | 1st Company, Governor's Foot Guards |
| 1773 | Mass. | Lexington Minutemen |
* | 1774 | Md. | 1st/175th Inf. (5th Maryland) |
| 1774 | Pa. | 1st Troop, Philadelphia City Cavalry |
| 1774 | R.I. | Gloucester Light Infantry, R.I.M. |
* | 1774 | R.I. | Kentish Guards, R.I.M. |
| 1774 | R.I. | Pawtuxet Rangers, R.I.M. |
| 1775 | Mass. | Acton Minutemen |
| 1775 | Mass. | Bedford Minutemen |
| 1775 | Mass. | 1st/101st FA (Second Corps of Cadets) |
* | 1775 | N.H. | 2nd Co., 1st New Hampshire Regt. |
| 1775 | R.I. | Varnum Continentals (1st Co., James M. Varnum's Regt.) |
* | 1775 | Conn. | 2nd Company, Governor's Foot Guards |
| 1776 | Conn. | Shelton's Co., 1st Continental Light Dragoons |
| 1776 | Del. | H.Q., 198th Signal Bn. (1st Delaware Regt, American Rifles Association) |
* | 1776 | R.I. | Bristol Train of Artillery, R.I.M. |
| 1777 | Conn. | 3rd Connecticut Regt., Continental Line |
| 1777 | Pa. | 103rd Engr. Bn, Colonial Company |
* | 1778 | Conn. | 1st Company, Governor's Horse Guards |
| 1785 | Mass. | Second Corps of Cadets Veterans' Company |
* | 1786 | Ga. | Chatham Artillery Corporation |
| 1787 | Mass. | Fusilier Veterans' Corps |
| 1786 | N.Y. | 9th Regt, New York Guard |
* | 1789 | Va. | 183rd Armor (Richmond Light Artillery Blues) |
* | 1790 | N.Y. | Veteran Corps of Artillery |
| 1790 | R.I. | Cranston Blues, R.I.M. |
| 1792 | Pa. | Washington Infantry of Pittsburgh |
| 1793 | N.C. | Fayetteville Independent Light Infantry Company |
| 1797 | -- | Ship's Company, U.S.S. Constitution |
| 1797 | -- | Marine Detachment, U.S.S., Constitution |
| 1798 | Mass. | Boston Light Infantry |
| 1798 | R.I. | Federal Blues, R.I.M. |
| 1802 | Ga. | Savannah Volunteer Guards |
* | 1807 | S.C. | Washington Light Infantry |
| 1808 | Conn. | 2nd Company, Governor's Horse Guards |
| 1808 | N.Y. | Utica Citizens' Corps |
| 1809 | N.Y. | 258th FA (Washington Grays) |
| 1813 | Pa. | State Fencibles Infantry |
| 1816 | Conn. | New Haven Grays |
| 1818 | R.I. | 1st Light Infantry Regiment, R.I.M. |
| 1819 | Pa. | Old Guard State Fencibles |
| 1819 | S.C. | Sumter Guards of Charleston |
* | 1826 | N.Y. | Old Guard of the City of New York |
| 1828 | Va. | Norfolk Light Artillery Blues |
| 1833 | N.J. | Pulaski Cadets of America |
| 1833 | N.Y. | Pulaski Militia of America |
| 1840 | Pa. | 108th Combat Support Hospital (2nd Pennsylvania) |
| 1846 | N.Y. | 69th Infantry (165th Inf., 69th New York) |
| 1847 | N.Y. | 1st/187th FA |
| 1848 | N.Y. | 187th Signal Bde (Columbian Rifles) |
| 1852 | Ga. | Clinch Rifles |
| 1853 | Mass. | Boston Light Artillery |
| 1854 | Ga. | Old Guard Battalion of the Gate City Guard |
* | 1854 | N.H. | Amoskrag Veterans |
* | 1855 | Ga. | Gate City Guard |
* | 1856 | Pa. | Old Guard of the City of Philadelphia |
| 1857 | Mass. | Veteran Association of the Lawrence Light Guard of Medford |
| 1858 | Conn. | Putnam Phalanx |
| 1859 | N.Y. | Veterans of the 7th Regiment, N.Y.N.G. |
| 1860 | Ga. | 1st Volunteer Regiment of Georgia |
| 1861 | Conn. | 1st Regiment, Connecticut Volunteer Cavalry |
| 1861 | Mass. | 5th Massachusetts Battery, Light Artillery, Army of the Potomac |
| 1862 | N.Y. | 1st/47th New York Guard (47th N.Y.S.M.) |
| 1866 | Mass. | 2nd Corps of Cadets Veterans' Association |
| 1867 | N.Y. | 2nd/104th FA |
| 1868 | N.J. | Phil Kearny Guards |
| 1869 | N.Y. | Veteran Association of the 71st Regiment, N.G.S.N.Y. |
| 1871 | N.Y. | Veterans of the 9th Regiment |
| 1874 | N.Y. | Veteran Association of the 13th Regiment, 59th FA, 245th CA, N.Y.N.G. |
| 1874 | N.Y. | Veterans' Association, 8th Regt, Infantry, N.Y.N.G. |
| 1874 | N.Y. | Veterans' Corps, 69th Regt. |
| 1876 | Conn. | Co. A, 1st/102nd Inf. (New Haven Grays) |
| 1876 | Mass. | Veteran Association, 1st Corps of Cadets |
| 1876 | Mass. | Worcester Continentals |
| 1883 | N.J. | Pulaski Cadets |
| 1883 | N.Y. | Veterans' Association of the 12th Infantry, N.Y.N.G. |
| 1884 | N.Y. | 101st Cavalry Veterans Association |
| 1885 | N.Y. | Squadron A Association [101st Cavalry] |
| 1886 | N.Y. | 101st Signal Bn. |
| 1887 | N.J. | Morris Guard |
| 1888 | Md. | Veteran Corps, 5th Regt. of Infantry |
| 1890 | N.J. | Essex Troop |
| 1895 | N.Y. | Squadron C Cavalry Association [101st Cavalry] |
* Charter Members |
** Most member units are known by their traditional name. |