ACL
| Atlantic Coast Line | 1 |
AEPX
| American Electric Power | 5 |
AEX
| Andersons | 1 |
AMGX
| AMG Resources Corporation | 5 |
APPX
| Appalachian Railcar Services | 1 |
ATSF
| Atchison Topeka & Santa Fe | 8 |
ATW
| Atlantic and Western | 2 |
BBGX
| Greenbrier Management Services, LLC | 2 |
BDPX
| BDPX | 1 |
BN
| Burlington Northern | 115 |
BNSF
| BNSF Railway | 107 |
BTCX
| Browner Turnout Company | 1 |
BVRY
| Brandywine Valley Railroad Company | 2 |
CEFX
| CIT Group/Capital Finance, Inc | 3 |
CHUX
| US Ecology Idaho, Inc. | 5 |
CIGX
| THE CIT GROUP/CAPITAL FINANCE, INC. | 2 |
CITX
| CIT Group/Capital Finance, Inc | 4 |
CMO
| Chicago St Paul Minneapolis & Omaha | 3 |
CN
| Canadian National Railways | 3 |
CNW
| Chicago & Northwestern | 4 |
CO
| Chesapeake & Ohio | 2 |
COAX
| Trinity Rail Management | 33 |
COEH
| Conecuh Valley Railroad | 3 |
COLX
| Alliant Energy | 4 |
CR
| Conrail | 4 |
CRIX
| Citicorp Railmark, Inc. | 3 |
CSX
| CSX Railroad | 34 |
CW
| Colorado and Wyoming | 2 |
DJJX
| Joseph Transportation Incorporated | 42 |
DLRX
| General Electric Rail Services | 2 |
DREX
| Wilmot Transportation and Logistics | 5 |
DRGW
| Denver & Rio Grande Western | 3 |
DTI
| Detroit Toledo & Ironton | 1 |
FSR
| Fort Smith Railroad Company | 1 |
FURX
| First Union Rail | 9 |
FXE
| Ferromex | 2 |
GBRX
| Greenbrier Leasing Corporation | 1 |
GCCX
| General American Marks Company | 2 |
GGPX
| General American Marks Company | 2 |
GINX
| GINX | 2 |
GNRR
| Georgia Northeastern | 1 |
GNTX
| TTX Company | 3 |
GONX
| Railgon Company | 4 |
GRW
| Gary Railway | 1 |
HPJX
| Helm-Pacific Leasing | 1 |
HS
| H and S Railroad Company | 1 |
HZGX
| Herzog Contracting Corporation | 1 |
IC
| Illinois Central | 3 |
ICE
| Iowa Chicago and Eastern | 1 |
ICG
| Illinois Central Gulf | 2 |
JTIX
| David J Joseph Company | 4 |
JTLX
| CIT Group/Capital Finance, Inc | 1 |
KCLX
| Kansas City Power and Light Company | 77 |
KCS
| Kansas City Southern | 2 |
KIMX
| Kimmins Contracting Corp | 2 |
KNOX
| Philip Metals, Inc | 2 |
LFPX
| Lane Forest Products Inc | 1 |
LN
| Louisville & Nashville | 1 |
LW
| Louisville and Wadley Railway Company | 1 |
MBKX
| Mitsui Rail Capital | 1 |
MKT
| Missouri-Kansas-Texas | 1 |
MP
| Missouri Pacific | 22 |
MPMW
| MPMW | 4 |
MS
| Michigan Shore Railroad Incorporated | 1 |
MWAX
| Martin Marietta Materials Incorporated | 2 |
MWCX
| Midwest Railcar Corporation | 13 |
NDYX
| First Union Rail | 5 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
NOKL
| Northwestern Oklahoma | 1 |
NRLX
| CIT Group/Capital Finance, Inc | 1 |
NS
| Norfolk Southern | 3 |
NSSX
| National Salvage and Service Corporation | 5 |
NW
| Norfolk & Western | 1 |
NYC
| New York Central | 5 |
OGEX
| Oklahoma Gas and Electric Company | 1 |
OVEX
| Ohio Valley Electric Company | 5 |
PC
| Penn Central | 2 |
PPEX
| DYNERGY SERVICES PLUM POINT LLC | 1 |
RMGX
| Andersons - Railgroup | 1 |
SBD
| Seaboard System | 2 |
SBTX
| FIRST UNION RAIL | 4 |
SEMX
| Seminole Electric Cooperative | 35 |
SEPX
| Southwestern Electric Power Company (La.) | 1 |
SMIX
| Structural Metals Incorporated | 3 |
SMPX
| Commercial Metal Company | 1 |
SOU
| Southern | 2 |
SP
| Southern Pacific | 4 |
SPEX
| SOUTHERN PARTS & EQUIPMENT INC. | 1 |
SPSX
| Progress Rail Services Corp | 4 |
STKX
| STRICKLAND TRADING, INC. | 2 |
TFM
| Kansas City Southern De Mexico | 5 |
TGNX
| NRG Energy | 14 |
TILX
| Trinity Industries Leasing Company | 114 |
TM
| Texas-Mexican | 3 |
TR
| Tomahawk Railway L.P. | 1 |
UP
| Union Pacific Railroad Company | 33 |
WCRC
| Washington Central | 1 |
WE
| Wheeling & Lake Erie | 4 |
WEPX
| Wisconsin Electric Power Company | 1 |
WFAX
| Western Fuels Association Incorporated (Colo.) | 1 |