AOK
| Arkansas-Oklahoma Railroad | 105 |
BNSF
| BNSF Railway | 506 |
BRAN
| Brandon Rail | 5 |
CP
| Canadian Pacific Railway | 21 |
DTTX
| TTX Company - Double Stack Cars | 3273 |
FEC
| Florida East Coast | 76 |
GTW
| Grand Trunk Western | 24 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 27 |
SFLC
| BNSF Railway | 154 |
UCRY
| Utah Central | 65 |
WRWK
| Providence & Worchester Railroad | 52 |