AOK
| Arkansas-Oklahoma Railroad | 2 |
BNSF
| BNSF Railway | 10 |
BRAN
| Brandon Rail | 4 |
CP
| Canadian Pacific Railway | 4 |
CSX
| CSX Railroad | 7 |
DTTX
| TTX Company - Double Stack Cars | 79 |
FEC
| Florida East Coast | 9 |
GTW
| Grand Trunk Western | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
NOKL
| Northwestern Oklahoma | 8 |
NWCX
| Northwest Container Services Incorporated | 9 |
SFLC
| BNSF Railway | 4 |
UCRY
| Utah Central | 4 |
WRWK
| Providence & Worchester Railroad | 2 |