AKMD
| Arkansas Midland Railroad Company | 1 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BN
| Burlington Northern | 7 |
BNSF
| BNSF Railway | 4 |
BO
| Baltimore & Ohio | 10 |
BR
| Buffalo and Pittsburgh | 6 |
CBRY
| Copper Basin Railway | 6 |
CEFX
| CIT Group/Capital Finance, Inc | 14 |
CNW
| Chicago & Northwestern | 7 |
CO
| Chesapeake & Ohio | 6 |
CR
| Conrail | 1 |
CSX
| CSX Railroad | 54 |
DLRX
| General Electric Rail Services | 29 |
DMM
| Dansville and Mount Morris Railroad Comp | 1 |
EJE
| Elgin Joliet and Eastern | 126 |
GNRR
| Georgia Northeastern | 1 |
GROX
| First Union Rail | 1 |
HS
| H and S Railroad Company | 1 |
IATR
| Iowa Traction Railroad Company | 4 |
ICG
| Illinois Central Gulf | 10 |
IHB
| Indiana Harbor Belt | 1 |
ITC
| Illinois Terminal Railroad | 6 |
ITLX
| General Electric Rail Services | 1 |
MVRY
| Mahoning Valley Ry | 43 |
NOKL
| Northwestern Oklahoma | 2 |
NOPB
| New Orleans Public Belt Railroad | 1 |
NRLX
| CIT Group/Capital Finance, Inc | 15 |
NS
| Norfolk Southern | 7 |
NW
| Norfolk & Western | 33 |
NYC
| New York Central | 3 |
PAL
| Paducah & Louisville | 27 |
PPU
| Tazewell & Peoria Railroad | 18 |
PRSX
| Progress Rail Service | 1 |
SBD
| Seaboard System | 1 |
SCL
| Seaboard Coast Line | 1 |
SFS
| Santa Fe Southern | 5 |
SLGG
| Progress Rail Services Corporation | 5 |
SOU
| Southern | 28 |
SP
| Southern Pacific | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 2 |
TR
| Tomahawk Railway L.P. | 14 |
TZPR
| Tazewell & Peoria Railroad | 8 |
WC
| Wisconsin Central | 7 |
YB
| Youngstown Belt Railroad Company | 56 |