BN
| Burlington Northern | 1 |
BO
| Baltimore & Ohio | 1 |
CO
| Chesapeake & Ohio | 1 |
CRDX
| Chicago Freight Car Leasing Company | 3 |
CSX
| CSX Railroad | 2 |
ICG
| Illinois Central Gulf | 1 |
NW
| Norfolk & Western | 1 |
RFP
| Richmond Fredericksburg & Potomac | 1 |
TLCX
| General Electric Rail Services | 1 |