ANR
| Angelina and Neches River Railroad | 1 |
AOK
| Arkansas-Oklahoma Railroad | 2 |
ATW
| Atlantic and Western | 5 |
BKTY
| Union Pacific Railroad Company | 9 |
BNSF
| BNSF Railway | 4 |
CN
| Canadian National Railways | 4 |
CNA
| Canadian National Railways | 7 |
CNIS
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 11 |
COER
| Crab Orchard & Egyptian | 2 |
CSX
| CSX Railroad | 6 |
DWC
| Canadian National Railways | 8 |
FBOX
| TTX Company | 29 |
HKRX
| HKRX | 2 |
IATR
| Iowa Traction Railroad Company | 3 |
KCS
| Kansas City Southern | 6 |
KLRX
| KOCH RAIL LLC | 1 |
LW
| Louisville and Wadley Railway Company | 1 |
MBKX
| Mitsui Rail Capital | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 4 |
NOKL
| Northwestern Oklahoma | 4 |
SNC
| Saratoga & North Creek Railway | 1 |
SRY
| Southern Railway of British Columbia Lim | 3 |
TIMX
| Trinity Industries Leasing Company | 2 |
TR
| Tomahawk Railway L.P. | 3 |
UCRY
| Utah Central | 6 |
WC
| Wisconsin Central | 17 |