ACFX
| General Electric Rail Services | 1 |
AEX
| Andersons | 1 |
ALNX
| Alberta Government | 1 |
AMEX
| Allied Enterprises | 1 |
ATSF
| Atchison Topeka & Santa Fe | 3 |
BCOL
| Canadian National Railways | 1 |
BDW
| Bighorn Divide & Wyoming Railroad | 1 |
BN
| Burlington Northern | 1 |
CC
| Chicago Central & Pacific | 1 |
CLSX
| Cargill Incorporated Salt Division | 1 |
CMHX
| CarMath Incorporated | 1 |
CN
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 20 |
CR
| Conrail | 2 |
CSX
| CSX Railroad | 22 |
DME
| Dakota, Minnesota and Eastern | 10 |
DSSX
| Detroit Salt Company, L.C. | 10 |
ECQX
| Degussa Engineered Carbons, LP | 1 |
EEC
| East Erie Commercial Railroad | 3 |
FURX
| First Union Rail | 4 |
GCCX
| General American Marks Company | 1 |
GFSX
| General American Marks Company | 3 |
GTW
| Grand Trunk Western | 2 |
HLMX
| Helm Financial Corporation | 4 |
IAIS
| Iowa Interstate | 7 |
ICE
| Iowa Chicago and Eastern | 21 |
ICG
| Illinois Central Gulf | 4 |
IMRL
| I&M Rail Link | 2 |
INTX
| Interstate Commodities Inc. | 1 |
LN
| Louisville & Nashville | 1 |
MILW
| Milwaukee Road | 2 |
MKT
| Missouri-Kansas-Texas | 2 |
MP
| Missouri Pacific | 9 |
MRMX
| Midwest Railcar Corporation | 4 |
NAHX
| General Electric Rail Services | 2 |
NRLX
| CIT Group/Capital Finance, Inc | 14 |
NW
| Norfolk & Western | 11 |
RFMX
| Caldwell-Baker Company | 1 |
RFP
| Richmond Fredericksburg & Potomac | 3 |
SCL
| Seaboard Coast Line | 1 |
SIRX
| Southern Illinois Railcar Company | 7 |
SKNX
| Saskatchewan Grain Car Corporation | 2 |
SLSF
| Saint Louis-San Francisco | 2 |
SOO
| Soo Line | 7 |
SOU
| Southern | 21 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TCWR
| Twin Cities and Western | 1 |
UP
| Union Pacific Railroad Company | 2 |
WP
| Western Pacific | 2 |
WW
| Winchester & Western | 1 |