AOK
| Arkansas-Oklahoma Railroad | 5 |
ATW
| Atlantic and Western | 1 |
BNSF
| BNSF Railway | 38 |
BRAN
| Brandon Rail | 6 |
CP
| Canadian Pacific Railway | 1 |
CSX
| CSX Railroad | 11 |
DTTX
| TTX Company - Double Stack Cars | 177 |
FEC
| Florida East Coast | 16 |
IAIS
| Iowa Interstate | 3 |
NOKL
| Northwestern Oklahoma | 6 |
SFLC
| BNSF Railway | 8 |
SMW
| St Marys Railway West LLC | 1 |
WRWK
| Providence & Worchester Railroad | 3 |