ATSF
| Atchison Topeka & Santa Fe | 2 |
BH
| Bath & Hammondsport | 1 |
BM
| Boston & Maine | 76 |
BO
| Baltimore & Ohio | 3 |
BRC
| Belt Railway of Chicago | 1 |
CDAC
| Canadian American | 2 |
CN
| Canadian National Railways | 3 |
CNJ
| Central Rail Road of New Jersey | 1 |
CNW
| Chicago & Northwestern | 1 |
CP
| Canadian Pacific Railway | 2 |
CR
| Conrail | 9 |
DH
| Delaware & Hudson | 52 |
EJE
| Elgin Joliet and Eastern | 3 |
EL
| Erie Lackawanna | 4 |
GJ
| GJ | 1 |
GMO
| Gulf Mobile & Ohio | 1 |
GTW
| Grand Trunk Western | 1 |
IC
| Illinois Central | 1 |
IHB
| Indiana Harbor Belt | 1 |
ISCX
| ISC Incorporated | 1 |
LN
| Louisville & Nashville | 2 |
LV
| Lehigh Valley | 2 |
MEC
| Maine Central | 96 |
NW
| Norfolk & Western | 7 |
NYC
| New York Central | 1 |
PC
| Penn Central | 21 |
PLE
| Pittsburgh & Lake Erie | 2 |
RDG
| Reading Railroad | 1 |
SAL
| Seaboard Air Line | 1 |
SCL
| Seaboard Coast Line | 1 |
SOU
| Southern | 1 |