AOK
| Arkansas-Oklahoma Railroad | 8 |
ATW
| Atlantic and Western | 3 |
BNSF
| BNSF Railway | 18 |
CHTT
| Chicago Heights Terminal Transfer | 1 |
CIGX
| THE CIT GROUP/CAPITAL FINANCE, INC. | 1 |
CN
| Canadian National Railways | 1 |
CP
| Canadian Pacific Railway | 8 |
CR
| Conrail | 1 |
CSX
| CSX Railroad | 1 |
DJJX
| Joseph Transportation Incorporated | 6 |
GACX
| General American Marks Company | 1 |
HPTX
| HAMPTON CAPITAL LLC | 1 |
IC
| Illinois Central | 2 |
ICE
| Iowa Chicago and Eastern | 6 |
MP
| Missouri Pacific | 1 |
UCRY
| Utah Central | 7 |
WCRC
| Washington Central | 1 |