AOK
| Arkansas-Oklahoma Railroad | 2 |
BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 5 |
CHTT
| Chicago Heights Terminal Transfer | 5 |
CR
| Conrail | 1 |
CSS
| Chicago South Shore And South Bend | 30 |
CSX
| CSX Railroad | 101 |
CTRN
| Union Pacific Railroad Company | 1 |
DLRX
| General Electric Rail Services | 1 |
GRW
| Gary Railway | 1 |
IHB
| Indiana Harbor Belt | 9 |
MBKX
| Mitsui Rail Capital | 2 |
MP
| Missouri Pacific | 3 |
NOKL
| Northwestern Oklahoma | 2 |
NS
| Norfolk Southern | 21 |
NYC
| New York Central | 6 |
TR
| Tomahawk Railway L.P. | 1 |
UP
| Union Pacific Railroad Company | 6 |
WRWK
| Providence & Worchester Railroad | 1 |