ACFX
| General Electric Rail Services | 1 |
AEX
| Andersons | 1 |
AMCX
| BP Amoco Chemical Company Chemical Division | 1 |
ARSX
| BRASKEM AMERICA INC | 1 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BNSF
| BNSF Railway | 4 |
BRIX
| Union Tank Car Company | 4 |
CEMX
| Cemex Mexico SA de CV | 1 |
CNWX
| Canadian Wheat Board | 1 |
CP
| Canadian Pacific Railway | 1 |
CSX
| CSX Railroad | 5 |
DME
| Dakota, Minnesota and Eastern | 1 |
ICE
| Iowa Chicago and Eastern | 1 |
ITLX
| General Electric Rail Services | 1 |
KWT
| KWT Railway | 1 |
LCGX
| Cargill Incorporated C.G.D. Division | 2 |
NAHX
| General Electric Rail Services | 3 |
NS
| Norfolk Southern | 4 |
NW
| Norfolk & Western | 1 |
PGHX
| Trinity Rail Management Incorporated | 1 |
RDG
| Reading Railroad | 1 |
SOO
| Soo Line | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 2 |
WP
| Western Pacific | 1 |