ACY
| Akron, Canton & Youngstown | 1 |
AMTK
| Amtrak | 1 |
ANR
| Angelina and Neches River Railroad | 2 |
ATSF
| Atchison Topeka & Santa Fe | 2 |
ATW
| Atlantic and Western | 2 |
BCOL
| Canadian National Railways | 1 |
BN
| Burlington Northern | 1 |
BO
| Baltimore & Ohio | 2 |
CN
| Canadian National Railways | 2 |
CO
| Chesapeake & Ohio | 1 |
CR
| Conrail | 2 |
CSX
| CSX Railroad | 3 |
EL
| Erie Lackawanna | 1 |
FCRD
| First Coast Railway | 1 |
GMRY
| Great Miami | 1 |
GTW
| Grand Trunk Western | 1 |
MILW
| Milwaukee Road | 1 |
MQT
| Marquette Rail | 1 |
MWC
| Midwest Central | 1 |
NS
| Norfolk Southern | 1 |
NW
| Norfolk & Western | 1 |
PDRR
| Pee Dee River RR | 1 |
RBDX
| RBDX | 1 |
REX
| Railway Express Agency, Inc. | 1 |
RI
| RI | 1 |
SFRD
| Santa Fe Refridgerator Line | 2 |
TBOX
| TTX Company | 1 |
UP
| Union Pacific Railroad Company | 2 |
VGN
| Virginian Railway | 1 |
WEC
| WEC | 1 |
WLO
| Waterloo Railway Company (Illinois Central) | 1 |
WM
| Western Maryland | 1 |