AC
| Algoma Central | 1 |
BN
| Burlington Northern | 1 |
CP
| Canadian Pacific Railway | 2 |
CSX
| CSX Railroad | 1 |
HPJX
| Helm-Pacific Leasing | 1 |
IC
| Illinois Central | 1 |
IHB
| Indiana Harbor Belt | 2 |
LMIC
| Lake Michigan & Indiana Railroad | 1 |
NS
| Norfolk Southern | 9 |
SBD
| Seaboard System | 2 |
SOO
| Soo Line | 2 |
SOU
| Southern | 2 |