AOK
| Arkansas-Oklahoma Railroad | 172 |
ATW
| Atlantic and Western | 5 |
BNSF
| BNSF Railway | 1012 |
BRAN
| Brandon Rail | 28 |
CP
| Canadian Pacific Railway | 51 |
CSX
| CSX Railroad | 25 |
DTTX
| TTX Company - Double Stack Cars | 4806 |
FEC
| Florida East Coast | 210 |
GTW
| Grand Trunk Western | 24 |
KCS
| Kansas City Southern | 1 |
KCSM
| Kansas City Southern De Mexico | 8 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 18 |
NOKL
| Northwestern Oklahoma | 16 |
SFLC
| BNSF Railway | 121 |
SMW
| St Marys Railway West LLC | 1 |
TPEX
| General Electric Rail Services Corporation | 9 |
UCRY
| Utah Central | 62 |
WRWK
| Providence & Worchester Railroad | 43 |