AOK
| Arkansas-Oklahoma Railroad | 418 |
ATW
| Atlantic and Western | 1 |
BNSF
| BNSF Railway | 2281 |
BRAN
| Brandon Rail | 1117 |
CP
| Canadian Pacific Railway | 121 |
DTTX
| TTX Company - Double Stack Cars | 13119 |
FEC
| Florida East Coast | 125 |
GTW
| Grand Trunk Western | 113 |
IAIS
| Iowa Interstate | 78 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 46 |
NOKL
| Northwestern Oklahoma | 1 |
SFLC
| BNSF Railway | 122 |
UCRY
| Utah Central | 64 |
WRWK
| Providence & Worchester Railroad | 65 |