CN
| Canadian National Railways | 6 |
CP
| Canadian Pacific Railway | 6 |
CR
| Conrail | 243 |
CSX
| CSX Railroad | 1 |
CWRO
| Cleveland Works Rail Operations | 1 |
EJE
| Elgin Joliet and Eastern | 4 |
GRW
| Gary Railway | 4 |
NS
| Norfolk Southern | 404 |
NW
| Norfolk & Western | 21 |
NYC
| New York Central | 17 |
SOO
| Soo Line | 4 |
SOU
| Southern | 260 |
UP
| Union Pacific Railroad Company | 1 |
WC
| Wisconsin Central | 2 |