AEX
| Andersons | 1 |
BO
| Baltimore & Ohio | 2 |
CNW
| Chicago & Northwestern | 1 |
CO
| Chesapeake & Ohio | 3 |
CR
| Conrail | 1 |
CSX
| CSX Railroad | 4 |
DRGW
| Denver & Rio Grande Western | 1 |
RFP
| Richmond Fredericksburg & Potomac | 4 |
SIRX
| Southern Illinois Railcar Company | 1 |
SOU
| Southern | 1 |