BN
| Burlington Northern | 6 |
CNW
| Chicago & Northwestern | 4 |
FRDN
| H and S Railroad Company Incorporated | 3 |
GACX
| General American Marks Company | 15 |
ICG
| Illinois Central Gulf | 1 |
KJRY
| Keokuk Junction | 3 |
MILW
| Milwaukee Road | 2 |
NAHX
| General Electric Rail Services | 4 |
NOKL
| Northwestern Oklahoma | 1 |
OCCX
| Occidental Chemical Corporation | 1 |
PLCX
| General Electric Rail Services | 1 |
PTLX
| General Electric Rail Services | 2 |
SIRX
| Southern Illinois Railcar Company | 1 |
SOO
| Soo Line | 8 |
SP
| Southern Pacific | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TILX
| Trinity Industries Leasing Company | 1 |