AOK
| Arkansas-Oklahoma Railroad | 29 |
ATW
| Atlantic and Western | 15 |
BNSF
| BNSF Railway | 1 |
CN
| Canadian National Railways | 32 |
CNA
| Canadian National Railways | 99 |
CNIS
| Canadian National Railways | 8 |
CNW
| Chicago & Northwestern | 1 |
COER
| Crab Orchard & Egyptian | 114 |
CRLE
| Coe Rail Incorporated | 2 |
DWC
| Canadian National Railways | 48 |
FBOX
| TTX Company | 25 |
GACX
| General American Marks Company | 2 |
GTW
| Grand Trunk Western | 1 |
HKRX
| HKRX | 1 |
LW
| Louisville and Wadley Railway Company | 33 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
NOKL
| Northwestern Oklahoma | 6 |
ONT
| Ontario Northland Railway | 8 |
SRY
| Southern Railway of British Columbia Lim | 12 |
TIMX
| Trinity Industries Leasing Company | 5 |
TR
| Tomahawk Railway L.P. | 66 |
UCRY
| Utah Central | 63 |
WC
| Wisconsin Central | 38 |
WFRX
| WELLS FARGO RAIL CORPORATION | 9 |
YKR
| York Rail | 45 |