AEPX
| American Electric Power | 4 |
BBGX
| Greenbrier Management Services, LLC | 2 |
BN
| Burlington Northern | 101 |
BNSF
| BNSF Railway | 84 |
CITX
| CIT Group/Capital Finance, Inc | 3 |
CMO
| Chicago St Paul Minneapolis & Omaha | 2 |
COAX
| Trinity Rail Management | 33 |
COEH
| Conecuh Valley Railroad | 3 |
COLX
| Alliant Energy | 3 |
CRIX
| Citicorp Railmark, Inc. | 3 |
DJJX
| Joseph Transportation Incorporated | 1 |
FURX
| First Union Rail | 2 |
GCCX
| General American Marks Company | 2 |
GGPX
| General American Marks Company | 2 |
KCLX
| Kansas City Power and Light Company | 77 |
NSSX
| National Salvage and Service Corporation | 2 |
OVEX
| Ohio Valley Electric Company | 5 |
PPEX
| DYNERGY SERVICES PLUM POINT LLC | 1 |
SEMX
| Seminole Electric Cooperative | 35 |
SEPX
| Southwestern Electric Power Company (La.) | 1 |
STKX
| STRICKLAND TRADING, INC. | 1 |
TGNX
| NRG Energy | 14 |
TILX
| Trinity Industries Leasing Company | 71 |
UP
| Union Pacific Railroad Company | 7 |