AOK
| Arkansas-Oklahoma Railroad | 4 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 28 |
BRAN
| Brandon Rail | 11 |
CRLE
| Coe Rail Incorporated | 5 |
DTTX
| TTX Company - Double Stack Cars | 101 |
FEC
| Florida East Coast | 9 |
MCER
| Massachusetts Central Railroad | 3 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
SMW
| St Marys Railway West LLC | 2 |
SP
| Southern Pacific | 9 |