AFRX
| AF Railway Industries Incorporated | 1 |
ALLN
| Allentown and Auburn Railroad | 1 |
APTX
| Air Products and Chemicals Incorporated | 1 |
BN
| Burlington Northern | 4 |
BO
| Baltimore & Ohio | 4 |
BPRR
| Buffalo and Pittsburgh | 2 |
CLXX
| Carload Express | 1 |
CNJ
| Central Rail Road of New Jersey | 5 |
CO
| Chesapeake & Ohio | 2 |
CR
| Conrail | 16 |
GTW
| Grand Trunk Western | 1 |
HMIX
| Henkels and McCoy Inc | 1 |
IC
| Illinois Central | 1 |
KJR
| Kiski Junction Railroad | 5 |
LHR
| Lehigh & Hudson River | 2 |
LV
| Lehigh Valley | 2 |
LVRR
| Lycoming Valley | 1 |
MGA
| Monongahela RR | 2 |
MRL
| Montana Rail Link | 1 |
MTR
| Montour RR | 1 |
NH
| New Haven | 1 |
NS
| Norfolk Southern | 4 |
NSHR
| North Shore | 1 |
NW
| Norfolk & Western | 6 |
NYC
| New York Central | 5 |
PC
| Penn Central | 1 |
PLE
| Pittsburgh & Lake Erie | 1 |
PM
| Pere Marquette | 1 |
PRR
| Pennsylvania Railroad | 5 |
RBMN
| Reading Blue Mountain & Northern | 6 |
TCKR
| Turtle Creek Industrial RR.Incorporated | 1 |
UP
| Union Pacific Railroad Company | 1 |
URR
| Union Railroad | 4 |
VGN
| Virginian Railway | 3 |
VGNX
| VGNX | 1 |
WAB
| Wabash | 3 |
WM
| Western Maryland | 3 |