AEX
| Andersons | 1 |
BM
| Boston & Maine | 6 |
CNW
| Chicago & Northwestern | 1 |
COGX
| Rail Connection, Inc. | 2 |
CR
| Conrail | 1 |
CSX
| CSX Railroad | 4 |
DRGW
| Denver & Rio Grande Western | 1 |
JTSX
| Joseph Transportation Incorporated | 1 |
MEC
| Maine Central | 1 |
MMAX
| Martin-Marietta Aggregates | 3 |
MP
| Missouri Pacific | 1 |
NDYX
| First Union Rail | 1 |
NS
| Norfolk Southern | 3 |
NW
| Norfolk & Western | 2 |
NYC
| New York Central | 1 |
PEPX
| Potomac Electric Power Company | 1 |
PSR
| Pittsburg and Shawmut Railroad Incorporated | 1 |
RBMN
| Reading Blue Mountain & Northern | 2 |
VAPX
| Virginia Power | 1 |
WE
| Wheeling & Lake Erie | 2 |