ACFX
| General Electric Rail Services | 3 |
ADMX
| ADM Transportation Company | 2 |
AEX
| Andersons | 1 |
ATGX
| Atel Leasing Corporation | 1 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 1 |
CAGX
| MHC Incorporated Subsidiary of ConAgra Incorporated | 1 |
CNW
| Chicago & Northwestern | 9 |
CSX
| CSX Railroad | 1 |
DME
| Dakota, Minnesota and Eastern | 2 |
DRGW
| Denver & Rio Grande Western | 1 |
EEC
| East Erie Commercial Railroad | 1 |
FURX
| First Union Rail | 1 |
ICG
| Illinois Central Gulf | 1 |
ITC
| Illinois Terminal Railroad | 1 |
KCS
| Kansas City Southern | 1 |
KYLE
| Kyle Railroad | 1 |
MKT
| Missouri-Kansas-Texas | 1 |
MP
| Missouri Pacific | 5 |
MWCX
| Midwest Railcar Corporation | 4 |
NAHX
| General Electric Rail Services | 1 |
NW
| Norfolk & Western | 3 |
SLSF
| Saint Louis-San Francisco | 2 |
TFM
| Kansas City Southern De Mexico | 1 |
UP
| Union Pacific Railroad Company | 2 |
WP
| Western Pacific | 2 |