AOK
| Arkansas-Oklahoma Railroad | 2 |
BN
| Burlington Northern | 4 |
CP
| Canadian Pacific Railway | 1 |
ICE
| Iowa Chicago and Eastern | 1 |
NOKL
| Northwestern Oklahoma | 1 |
PTLX
| General Electric Rail Services | 1 |
SIRX
| Southern Illinois Railcar Company | 1 |
SKNX
| Saskatchewan Grain Car Corporation | 1 |
WC
| Wisconsin Central | 1 |