Baltimore and Ohio Railroad Co
American
| Notable Position | Person | From | To |
|---|---|---|---|
| Chief engineer | Benjamin H Latrobe II | ||
| Engineer | Isaac St John | 1848 | 1855 |
| Engineer (construction) | George Washington Whistler | ||
| Civil Engineer | Clarence McKenzie Lewis | ||
| Board of Directors | Christopher Columbus O'Donnell | ||
| Director | Charles Carroll of Carrollton | ||
| President | John W Garrett | ||
| Architect | John R Niernsee | ||
| Vice President | William Keyser | ||
| Waiter | Thurgood Marshall |