ATSF
| Atchison Topeka & Santa Fe | 2 |
BO
| Baltimore & Ohio | 3 |
CO
| Chesapeake & Ohio | 1 |
COAX
| Trinity Rail Management | 4 |
CR
| Conrail | 12 |
CSX
| CSX Railroad | 17 |
DJJX
| Joseph Transportation Incorporated | 4 |
FURX
| First Union Rail | 1 |
GNTX
| TTX Company | 1 |
IFRX
| Infinity Rail LLC | 2 |
NS
| Norfolk Southern | 3 |
NW
| Norfolk & Western | 6 |
NYC
| New York Central | 4 |
SBD
| Seaboard System | 2 |
SCL
| Seaboard Coast Line | 2 |
SGLR
| Seminole Gulf | 3 |
SPEX
| SOUTHERN PARTS & EQUIPMENT INC. | 1 |
TFM
| Kansas City Southern De Mexico | 1 |
TILX
| Trinity Industries Leasing Company | 4 |
ZVBX
| Ferrous Processing and Trading Company | 1 |