ADMX
| ADM Transportation Company | 1 |
AGPX
| Ag Processing Incorporated | 1 |
AOK
| Arkansas-Oklahoma Railroad | 25 |
BNSF
| BNSF Railway | 16 |
CMHX
| CarMath Incorporated | 15 |
CNW
| Chicago & Northwestern | 1 |
CRIX
| Citicorp Railmark, Inc. | 1 |
DME
| Dakota, Minnesota and Eastern | 1 |
IC
| Illinois Central | 5 |
ICE
| Iowa Chicago and Eastern | 281 |
IMRL
| I&M Rail Link | 16 |
ITLX
| General Electric Rail Services | 1 |
NOKL
| Northwestern Oklahoma | 1 |
NYC
| New York Central | 1 |
TILX
| Trinity Industries Leasing Company | 1 |
TN
| Texas and Northern Railway Company | 1 |
UP
| Union Pacific Railroad Company | 1 |
UTCX
| Union Tank Car Company | 1 |
WSSX
| Wedron Silica Company | 1 |