AEX
| Andersons | 2 |
BN
| Burlington Northern | 3 |
BO
| Baltimore & Ohio | 1 |
CAEG
| Coffeen and Western | 4 |
CHTT
| Chicago Heights Terminal Transfer | 2 |
CNW
| Chicago & Northwestern | 4 |
CP
| Canadian Pacific Railway | 3 |
CR
| Conrail | 1 |
CSX
| CSX Railroad | 3 |
CWEX
| Midwest Generation LLC | 3 |
DEEX
| Detroit Edison Company | 1 |
DJJX
| Joseph Transportation Incorporated | 1 |
DME
| Dakota, Minnesota and Eastern | 3 |
EJE
| Elgin Joliet and Eastern | 2 |
GNTX
| TTX Company | 2 |
HLMX
| Helm Financial Corporation | 1 |
HPJX
| Helm-Pacific Leasing | 4 |
HZGX
| Herzog Contracting Corporation | 2 |
IAIS
| Iowa Interstate | 2 |
ICE
| Iowa Chicago and Eastern | 2 |
IMRL
| I&M Rail Link | 1 |
JTIX
| David J Joseph Company | 1 |
JTLX
| CIT Group/Capital Finance, Inc | 1 |
MKT
| Missouri-Kansas-Texas | 2 |
MWCX
| Midwest Railcar Corporation | 1 |
NS
| Norfolk Southern | 3 |
NW
| Norfolk & Western | 1 |
NYC
| New York Central | 2 |
SDIX
| Steel Dynamics, Inc | 1 |
SOO
| Soo Line | 1 |
UP
| Union Pacific Railroad Company | 1 |