AOK
| Arkansas-Oklahoma Railroad | 25 |
BNSF
| BNSF Railway | 34 |
CP
| Canadian Pacific Railway | 14 |
DTTX
| TTX Company - Double Stack Cars | 689 |
FEC
| Florida East Coast | 18 |
GTW
| Grand Trunk Western | 16 |
SFLC
| BNSF Railway | 9 |
UCRY
| Utah Central | 9 |
WRWK
| Providence & Worchester Railroad | 9 |