ABOX
| TTX Company | 1 |
ATW
| Atlantic and Western | 1 |
BNSF
| BNSF Railway | 13 |
COER
| Crab Orchard & Egyptian | 4 |
DWC
| Canadian National Railways | 1 |
FBOX
| TTX Company | 4 |
IBT
| International Bridge and Terminal Company | 1 |
LRS
| Laurinburg and Southern | 1 |
LW
| Louisville and Wadley Railway Company | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 1 |
MRL
| Montana Rail Link | 4 |
NOKL
| Northwestern Oklahoma | 2 |
SFLC
| BNSF Railway | 1 |
SOO
| Soo Line | 3 |
SP
| Southern Pacific | 1 |
SRY
| Southern Railway of British Columbia Lim | 1 |
TBOX
| TTX Company | 30 |
TOBO
| TOBO | 1 |
TR
| Tomahawk Railway L.P. | 1 |
UCRY
| Utah Central | 1 |
WFRX
| WELLS FARGO RAIL CORPORATION | 1 |