ATW
| Atlantic and Western | 4 |
BNSF
| BNSF Railway | 2344 |
DTTX
| TTX Company - Double Stack Cars | 2936 |
KCSM
| Kansas City Southern De Mexico | 1 |
LRS
| Laurinburg and Southern | 17 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 9 |
NOKL
| Northwestern Oklahoma | 18 |
NWCX
| Northwest Container Services Incorporated | 6 |
SFLC
| BNSF Railway | 43 |
SP
| Southern Pacific | 5 |
WRWK
| Providence & Worchester Railroad | 9 |