AOK
| Arkansas-Oklahoma Railroad | 18 |
BNSF
| BNSF Railway | 317 |
BRAN
| Brandon Rail | 182 |
CN
| Canadian National Railways | 1 |
CP
| Canadian Pacific Railway | 34 |
CRLE
| Coe Rail Incorporated | 75 |
CSX
| CSX Railroad | 54 |
DBLS
| Mystery Double Stack | 15 |
DTTX
| TTX Company - Double Stack Cars | 1754 |
FEC
| Florida East Coast | 494 |
IAIS
| Iowa Interstate | 14 |
KCS
| Kansas City Southern | 28 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 4 |
NOKL
| Northwestern Oklahoma | 77 |
SFLC
| BNSF Railway | 6 |
SP
| Southern Pacific | 27 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |