ATSF
| Atchison Topeka & Santa Fe | 2 |
BLE
| Bessemer & Lake Erie | 2 |
BN
| Burlington Northern | 7 |
BNSF
| BNSF Railway | 3 |
BO
| Baltimore & Ohio | 9 |
BVRY
| Brandywine Valley Railroad Company | 1 |
CHTT
| Chicago Heights Terminal Transfer | 1 |
CKIX
| C.K. Industries | 1 |
CN
| Canadian National Railways | 3 |
CNW
| Chicago & Northwestern | 7 |
CO
| Chesapeake & Ohio | 6 |
CR
| Conrail | 47 |
CSS
| Chicago South Shore And South Bend | 17 |
CSX
| CSX Railroad | 20 |
CTRN
| Union Pacific Railroad Company | 3 |
DJLX
| CIT Group/Capital Finance, Inc | 2 |
DME
| Dakota, Minnesota and Eastern | 3 |
DMM
| Dansville and Mount Morris Railroad Comp | 1 |
DRGW
| Denver & Rio Grande Western | 2 |
EJE
| Elgin Joliet and Eastern | 15 |
IAIS
| Iowa Interstate | 4 |
IC
| Illinois Central | 6 |
ICG
| Illinois Central Gulf | 7 |
IHB
| Indiana Harbor Belt | 8 |
IMRL
| I&M Rail Link | 1 |
ITLX
| General Electric Rail Services | 1 |
JTLX
| CIT Group/Capital Finance, Inc | 2 |
LBR
| Lowville and Beaver River Railroad Compa | 3 |
LMIC
| Lake Michigan & Indiana Railroad | 2 |
LVRR
| Lycoming Valley | 1 |
MKT
| Missouri-Kansas-Texas | 1 |
MLMX
| Metal Management Inc. | 3 |
MP
| Missouri Pacific | 19 |
MWCX
| Midwest Railcar Corporation | 2 |
NCIR
| New Castle Industrial Railroad | 1 |
NDYX
| First Union Rail | 2 |
NOKL
| Northwestern Oklahoma | 9 |
NRLX
| CIT Group/Capital Finance, Inc | 3 |
NS
| Norfolk Southern | 22 |
NSAX
| National Steel Corporation | 6 |
NW
| Norfolk & Western | 60 |
NYC
| New York Central | 10 |
POHC
| Pittsburgh & Ohio Central | 1 |
PRSX
| Progress Rail Service | 1 |
SIMX
| Sturgis Iron & Metal | 4 |
SLGG
| Progress Rail Services Corporation | 1 |
SOU
| Southern | 26 |
SP
| Southern Pacific | 6 |
SPSX
| Progress Rail Services Corp | 1 |
TR
| Tomahawk Railway L.P. | 4 |
TZPR
| Tazewell & Peoria Railroad | 4 |
UP
| Union Pacific Railroad Company | 2 |
WC
| Wisconsin Central | 4 |
WE
| Wheeling & Lake Erie | 21 |
YARR
| Youngstown and Austintown Railroad | 6 |