BO
| Baltimore & Ohio | 4 |
CO
| Chesapeake & Ohio | 4 |
CRR
| Clinchfield | 1 |
CSX
| CSX Railroad | 11 |
CYXX
| Conrad Yelvington Distributors, Inc | 1 |
DNJX
| DNJX | 1 |
DRGW
| Denver & Rio Grande Western | 1 |
EL
| Erie Lackawanna | 1 |
GGPX
| General American Marks Company | 1 |
HPJX
| Helm-Pacific Leasing | 1 |
JAIX
| JAIX Leasing Corporation | 1 |
LN
| Louisville & Nashville | 21 |
MB
| Meridian & Bigbee | 2 |
MMAX
| Martin-Marietta Aggregates | 3 |
MP
| Missouri Pacific | 1 |
MVCX
| MVCX | 1 |
NS
| Norfolk Southern | 1 |
NYC
| New York Central | 1 |
OUCX
| Orlando Utilities Commission (Fla.) | 4 |
PEFX
| Progress Energy Florida | 1 |
PMRX
| Progress Metal Reclamation Company | 1 |
RMGX
| Andersons - Railgroup | 1 |
SAN
| Sandersville | 1 |
SBD
| Seaboard System | 15 |
SCL
| Seaboard Coast Line | 4 |
SOU
| Southern | 2 |
TILX
| Trinity Industries Leasing Company | 2 |