AOK
| Arkansas-Oklahoma Railroad | 3 |
BNSF
| BNSF Railway | 21 |
CP
| Canadian Pacific Railway | 3 |
CSX
| CSX Railroad | 24 |
DTTX
| TTX Company - Double Stack Cars | 39 |
FEC
| Florida East Coast | 6 |
ITFX
| INFINITY TRANSPORTATION III LLC | 2 |
NOKL
| Northwestern Oklahoma | 18 |
SFLC
| BNSF Railway | 2 |
UCRY
| Utah Central | 2 |
WRWK
| Providence & Worchester Railroad | 1 |