AMTK
| Amtrak | 5 |
BISX
| Brandenburg Industrial Service Co | 2 |
BNSF
| BNSF Railway | 1 |
BO
| Baltimore & Ohio | 7 |
CN
| Canadian National Railways | 1 |
CO
| Chesapeake & Ohio | 4 |
CR
| Conrail | 29 |
CSX
| CSX Railroad | 24 |
DH
| Delaware & Hudson | 1 |
DJJX
| Joseph Transportation Incorporated | 1 |
EAMX
| Everest Railcar Services, Inc | 1 |
GPWX
| Georgia-Pacific Corp | 1 |
HIRR
| Hainesport Industrial Railroad | 4 |
HIRX
| TRANSPORTATION SERVICES & EQUIPMENT HOLDING, LLC | 1 |
LN
| Louisville & Nashville | 1 |
MP
| Missouri Pacific | 1 |
MWCX
| Midwest Railcar Corporation | 4 |
NJT
| New Jersey Transit | 2 |
NS
| Norfolk Southern | 17 |
NW
| Norfolk & Western | 2 |
NYC
| New York Central | 13 |
PC
| Penn Central | 1 |
SBD
| Seaboard System | 2 |
SCL
| Seaboard Coast Line | 5 |
SOU
| Southern | 4 |
SPAX
| Southeastern Pennsylvania Transportation (SEPTA) | 2 |
TCMX
| CIT Group/Capital Finance, Inc | 1 |