ACZX
| Norfolk Southern Railway Company | 1 |
AECX
| Associated Electric Cooperative Incorporated (Mo.) | 24 |
AEPX
| American Electric Power | 48 |
AEX
| Andersons | 1 |
AM
| Arkansas & Missouri | 3 |
AMGX
| AMG Resources Corporation | 2 |
ATSF
| Atchison Topeka & Santa Fe | 6 |
ATW
| Atlantic and Western | 1 |
BBGX
| Greenbrier Management Services, LLC | 2 |
BISX
| Brandenburg Industrial Service Co | 1 |
BN
| Burlington Northern | 54 |
BNSF
| BNSF Railway | 41 |
BO
| Baltimore & Ohio | 1 |
CAEG
| Coffeen and Western | 7 |
CEDX
| G.S.S.&M. Inc, Rail Division | 1 |
CEFX
| CIT Group/Capital Finance, Inc | 8 |
CHTT
| Chicago Heights Terminal Transfer | 6 |
CIGX
| THE CIT GROUP/CAPITAL FINANCE, INC. | 5 |
CITX
| CIT Group/Capital Finance, Inc | 2 |
CMO
| Chicago St Paul Minneapolis & Omaha | 4 |
CN
| Canadian National Railways | 11 |
CNW
| Chicago & Northwestern | 2 |
COEH
| Conecuh Valley Railroad | 26 |
COLX
| Alliant Energy | 1 |
CP
| Canadian Pacific Railway | 3 |
CR
| Conrail | 5 |
CRIX
| Citicorp Railmark, Inc. | 24 |
CSS
| Chicago South Shore And South Bend | 4 |
CSX
| CSX Railroad | 29 |
CWEX
| Midwest Generation LLC | 22 |
DEEX
| Detroit Edison Company | 2 |
DJJX
| Joseph Transportation Incorporated | 4 |
DME
| Dakota, Minnesota and Eastern | 7 |
DRGW
| Denver & Rio Grande Western | 2 |
DTCX
| DTE Coal Services | 1 |
EJE
| Elgin Joliet and Eastern | 9 |
ESCX
| General American Marks Company | 1 |
ETRX
| Arkansas Power and Light Company | 4 |
FPPX
| Fayette Power Project (Texas) | 1 |
FURX
| First Union Rail | 9 |
FXE
| Ferromex | 2 |
GCCX
| General American Marks Company | 3 |
GGPX
| General American Marks Company | 1 |
GN
| Great Northern | 2 |
GNRR
| Georgia Northeastern | 1 |
GNTX
| TTX Company | 14 |
GRDX
| Grand River Dam Authority (Okla.) | 3 |
GRW
| Gary Railway | 1 |
GVSR
| Galveston Railroad L.P. | 6 |
HPJX
| Helm-Pacific Leasing | 4 |
HZGX
| Herzog Contracting Corporation | 9 |
IC
| Illinois Central | 4 |
ICG
| Illinois Central Gulf | 4 |
IFRX
| Infinity Rail LLC | 2 |
IHB
| Indiana Harbor Belt | 8 |
JOSX
| Rail Connection, Inc | 2 |
JTSX
| Joseph Transportation Incorporated | 1 |
KCLX
| Kansas City Power and Light Company | 5 |
KCS
| Kansas City Southern | 1 |
KEYX
| Keywell Corporation | 1 |
LBR
| Lowville and Beaver River Railroad Compa | 2 |
LMIC
| Lake Michigan & Indiana Railroad | 1 |
LT
| Lake Terminal Railroad Company | 1 |
LW
| Louisville and Wadley Railway Company | 1 |
MCHX
| Trinity Rail Management Incorporated | 3 |
MHFX
| MHF Logistical Solutions Incorporated | 2 |
MP
| Missouri Pacific | 22 |
MRL
| Montana Rail Link | 3 |
MRMX
| Midwest Railcar Corporation | 6 |
MVRY
| Mahoning Valley Ry | 1 |
MWCX
| Midwest Railcar Corporation | 10 |
MWGX
| Midwest Generation LLC | 2 |
NDYX
| First Union Rail | 1 |
NOKL
| Northwestern Oklahoma | 13 |
NORX
| Northern Indiana Public Service Company | 20 |
NP
| Northern Pacific | 2 |
NRLX
| CIT Group/Capital Finance, Inc | 2 |
NS
| Norfolk Southern | 26 |
NSAX
| National Steel Corporation | 1 |
NW
| Norfolk & Western | 11 |
NYC
| New York Central | 1 |
OFSX
| Tucson Electric Power Company | 2 |
OHFX
| Fluor Daniel Fernald | 4 |
OMNX
| OmniSource Corp | 5 |
OPSX
| Public Service Company of Oklahoma | 9 |
OVEX
| Ohio Valley Electric Company | 20 |
PNHX
| General American Marks Company | 1 |
PNJX
| Trinity Rail Management | 4 |
PPU
| Tazewell & Peoria Railroad | 1 |
RECX
| Central Louisiana Electric Company | 1 |
RGCX
| Rio Grande Chemical LTD | 3 |
SBD
| Seaboard System | 1 |
SBFX
| Shapiro Brothers Inc. | 5 |
SBTX
| FIRST UNION RAIL | 1 |
SEPX
| Southwestern Electric Power Company (La.) | 10 |
SIMX
| Sturgis Iron & Metal | 1 |
SLGG
| Progress Rail Services Corporation | 1 |
SMIX
| Structural Metals Incorporated | 6 |
SOU
| Southern | 1 |
SP
| Southern Pacific | 8 |
SWIX
| STONEWALL INDUSTRIES LLC | 2 |
TCMX
| CIT Group/Capital Finance, Inc | 3 |
TFM
| Kansas City Southern De Mexico | 8 |
TILX
| Trinity Industries Leasing Company | 2 |
TIMX
| Trinity Industries Leasing Company | 1 |
TVAX
| Tennessee Valley Authority | 1 |
TZPR
| Tazewell & Peoria Railroad | 1 |
UP
| Union Pacific Railroad Company | 50 |
WC
| Wisconsin Central | 7 |
WCRC
| Washington Central | 1 |
WE
| Wheeling & Lake Erie | 6 |
WEPX
| Wisconsin Electric Power Company | 8 |
WFAX
| Western Fuels Association Incorporated (Colo.) | 2 |
WP
| Western Pacific | 1 |
YDCX
| Peabody Coalsales Company | 1 |
ZCAX
| Zinc Corporation of America | 6 |
ZVBX
| Ferrous Processing and Trading Company | 5 |