AEPX
| American Electric Power | 1 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BBGX
| Greenbrier Management Services, LLC | 1 |
BN
| Burlington Northern | 4 |
BNBX
| Greenbrier Management Services, LLC | 3 |
BNSF
| BNSF Railway | 10 |
CEFX
| CIT Group/Capital Finance, Inc | 2 |
CITX
| CIT Group/Capital Finance, Inc | 2 |
CLEX
| Cieco Corporation | 6 |
CN
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 1 |
CSX
| CSX Railroad | 2 |
CWEX
| Midwest Generation LLC | 7 |
DRGW
| Denver & Rio Grande Western | 1 |
EDEX
| Empire District Electric Company | 15 |
EGSX
| Entergy Gulf States Incorporated | 6 |
ETRX
| Arkansas Power and Light Company | 6 |
FURX
| First Union Rail | 4 |
GCCX
| General American Marks Company | 1 |
GEMX
| General Electric Rail Services | 9 |
GGPX
| General American Marks Company | 1 |
GN
| Great Northern | 1 |
GNTX
| TTX Company | 3 |
GRDX
| Grand River Dam Authority (Okla.) | 13 |
HCSX
| Helm Chesapeake LLP | 1 |
HIPX
| NRG Energy | 1 |
HPJX
| Helm-Pacific Leasing | 2 |
IC
| Illinois Central | 1 |
ITFX
| INFINITY TRANSPORTATION III LLC | 1 |
KCLX
| Kansas City Power and Light Company | 5 |
MNA
| Missouri and Northern Arkansas | 1 |
MP
| Missouri Pacific | 1 |
NDYX
| First Union Rail | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
OFOX
| RESIDCO | 1 |
OGEX
| Oklahoma Gas and Electric Company | 10 |
OPSX
| Public Service Company of Oklahoma | 1 |
PNJX
| Trinity Rail Management | 1 |
PPEX
| DYNERGY SERVICES PLUM POINT LLC | 7 |
SATX
| City Public Service Board of San Antonio Texas | 1 |
SBTX
| FIRST UNION RAIL | 2 |
SEPX
| Southwestern Electric Power Company (La.) | 1 |
SFSX
| San Francisco Transportation Services Company Incorporated | 1 |
SMIX
| Structural Metals Incorporated | 1 |
SPSX
| Progress Rail Services Corp | 1 |
TCMX
| CIT Group/Capital Finance, Inc | 2 |
TGNX
| NRG Energy | 1 |
TILX
| Trinity Industries Leasing Company | 12 |
UP
| Union Pacific Railroad Company | 4 |
WC
| Wisconsin Central | 2 |
WFCX
| Western Farmers Electric Cooperative | 6 |
WP
| Western Pacific | 1 |