CP
| Canadian Pacific Railway | 1 |
CR
| Conrail | 5 |
DL
| Delaware-Lackawanna Railroad Company | 1 |
LI
| Long Island Rail Road Company | 15 |
NN
| Northern Nevada Railroad Corporation | 2 |
NYSW
| New York Susquehanna & Western | 1 |
SRC
| Strasburg Railroad | 2 |
W
| W | 3 |
WPYR
| White Pass & Yukon Route | 2 |