| Company A | Juniata Cavalry | Juniata County, Pa. |
| Company B | Lower Merion Troop | Lower Merion, Montgomery Co., Pa. |
| Company C | Mifflin County Cavalry | Mifflin County, Pa. |
| Company D | Smith’s Cavalry | Clinton County, Pa. |
| Company E | Centre County Cavalry | Centre County, Pa. |
| Company F | Ringgold Cavalry | Greene County, Pa. |
| Company G | Blair County Cavalry | Blair & Cumberland County, Pa. |
| Company H | Dunlap Creek Cavalry | Dunlap Creek, Fayette Co., Pa. |
| Company I | Winfield Hussars | Washington County, Pa. |
| Company K | National Cavalry | Allegheny & Washington Co., Pa. |
| Company L | Reading City Troop | Reading, Berks Co., Pa. |
| Company M | Reading Cavalry | Reading, Berks Co., Pa. |
| Field & Staff | | |
| Regimental Band | | |
| Unassigned Men | | |
