AOK
| Arkansas-Oklahoma Railroad | 112 |
BNSF
| BNSF Railway | 488 |
BRAN
| Brandon Rail | 3 |
CP
| Canadian Pacific Railway | 15 |
DTTX
| TTX Company - Double Stack Cars | 2685 |
FEC
| Florida East Coast | 55 |
GTW
| Grand Trunk Western | 21 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 18 |
SFLC
| BNSF Railway | 121 |
UCRY
| Utah Central | 62 |
WRWK
| Providence & Worchester Railroad | 39 |