AEX
| Andersons | 1 |
AMTK
| Amtrak | 1 |
BM
| Boston & Maine | 1 |
BO
| Baltimore & Ohio | 3 |
CAGY
| Columbus & Greenville Railway | 1 |
CNW
| Chicago & Northwestern | 2 |
CO
| Chesapeake & Ohio | 5 |
CR
| Conrail | 13 |
CRDX
| Chicago Freight Car Leasing Company | 2 |
CSX
| CSX Railroad | 5 |
DTI
| Detroit Toledo & Ironton | 1 |
EL
| Erie Lackawanna | 2 |
HZGX
| Herzog Contracting Corporation | 9 |
MEC
| Maine Central | 3 |
MP
| Missouri Pacific | 2 |
NECR
| New England Central | 2 |
NLRX
| NLRX | 1 |
NS
| Norfolk Southern | 11 |
NW
| Norfolk & Western | 2 |
PC
| Penn Central | 2 |
PRR
| Pennsylvania Railroad | 1 |
SOO
| Soo Line | 1 |
SOU
| Southern | 2 |
SP
| Southern Pacific | 1 |
WC
| Wisconsin Central | 1 |