ACL
| Atlantic Coast Line | 1 |
BO
| Baltimore & Ohio | 1 |
CO
| Chesapeake & Ohio | 1 |
CPWX
| Canadian Wheat Board | 2 |
CRDX
| Chicago Freight Car Leasing Company | 1 |
CRR
| Clinchfield | 1 |
CSX
| CSX Railroad | 8 |
DCLX
| Dow Chemical Canada Incorporated | 1 |
FURX
| First Union Rail | 1 |
GFSX
| General American Marks Company | 1 |
ITLX
| General Electric Rail Services | 1 |
LN
| Louisville & Nashville | 1 |
LXOH
| Knoxville & Holston River Railroad | 1 |
MP
| Missouri Pacific | 1 |
NW
| Norfolk & Western | 2 |
NYC
| New York Central | 3 |
RFP
| Richmond Fredericksburg & Potomac | 1 |
SBD
| Seaboard System | 1 |
SCL
| Seaboard Coast Line | 1 |
SLSF
| Saint Louis-San Francisco | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TCOX
| LaFarge North American | 1 |