ATW
| Atlantic and Western | 1 |
BNSF
| BNSF Railway | 1 |
BO
| Baltimore & Ohio | 13 |
CEFX
| CIT Group/Capital Finance, Inc | 1 |
CO
| Chesapeake & Ohio | 6 |
CR
| Conrail | 1 |
CSX
| CSX Railroad | 59 |
EJE
| Elgin Joliet and Eastern | 1 |
NS
| Norfolk Southern | 1 |
NYC
| New York Central | 9 |
PAL
| Paducah & Louisville | 1 |
PC
| Penn Central | 1 |
PRSX
| Progress Rail Service | 1 |
SBD
| Seaboard System | 5 |
SCL
| Seaboard Coast Line | 4 |
SFS
| Santa Fe Southern | 1 |
SOU
| Southern | 1 |
TZPR
| Tazewell & Peoria Railroad | 1 |
UP
| Union Pacific Railroad Company | 1 |
YDCX
| Peabody Coalsales Company | 7 |