AOK
| Arkansas-Oklahoma Railroad | 7 |
BNSF
| BNSF Railway | 41 |
BRAN
| Brandon Rail | 4 |
CN
| Canadian National Railways | 1 |
CRLE
| Coe Rail Incorporated | 1 |
CSX
| CSX Railroad | 6 |
DTTX
| TTX Company - Double Stack Cars | 288 |
FEC
| Florida East Coast | 33 |
KCSM
| Kansas City Southern De Mexico | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
SFLC
| BNSF Railway | 4 |
UCRY
| Utah Central | 4 |
WRWK
| Providence & Worchester Railroad | 1 |