AC
| Algoma Central | 1 |
AEX
| Andersons | 2 |
AMGX
| AMG Resources Corporation | 5 |
AOK
| Arkansas-Oklahoma Railroad | 3 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
ATW
| Atlantic and Western | 5 |
BCOL
| Canadian National Railways | 3 |
BLE
| Bessemer & Lake Erie | 9 |
BM
| Boston & Maine | 2 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 2 |
CEFX
| CIT Group/Capital Finance, Inc | 7 |
CHTT
| Chicago Heights Terminal Transfer | 3 |
CMHX
| CarMath Incorporated | 3 |
CN
| Canadian National Railways | 25 |
CNW
| Chicago & Northwestern | 1 |
CP
| Canadian Pacific Railway | 12 |
CR
| Conrail | 4 |
CSS
| Chicago South Shore And South Bend | 5 |
CSX
| CSX Railroad | 9 |
CTRN
| Union Pacific Railroad Company | 1 |
DJJX
| Joseph Transportation Incorporated | 9 |
DLRX
| General Electric Rail Services | 4 |
DREX
| Wilmot Transportation and Logistics | 1 |
DRGW
| Denver & Rio Grande Western | 1 |
DTI
| Detroit Toledo & Ironton | 2 |
EJE
| Elgin Joliet and Eastern | 1 |
FPTX
| Ferrous Processing and Trading Company | 3 |
FURX
| First Union Rail | 2 |
FWTX
| AMERICAN RAILCAR LEASING LLC | 2 |
GFSX
| General American Marks Company | 1 |
GNTX
| TTX Company | 7 |
GONX
| Railgon Company | 3 |
GSXT
| GSXT | 2 |
GTW
| Grand Trunk Western | 5 |
IC
| Illinois Central | 31 |
ICE
| Iowa Chicago and Eastern | 1 |
ICG
| Illinois Central Gulf | 29 |
IHB
| Indiana Harbor Belt | 1 |
JOSX
| Rail Connection, Inc | 2 |
KCS
| Kansas City Southern | 2 |
MHFX
| MHF Logistical Solutions Incorporated | 3 |
MP
| Missouri Pacific | 6 |
MWCX
| Midwest Railcar Corporation | 5 |
NDYX
| First Union Rail | 3 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 4 |
NM
| National Railways of Mexico | 1 |
NOKL
| Northwestern Oklahoma | 17 |
NRLX
| CIT Group/Capital Finance, Inc | 6 |
NS
| Norfolk Southern | 7 |
NW
| Norfolk & Western | 1 |
OMNX
| OmniSource Corp | 2 |
RMGX
| Andersons - Railgroup | 1 |
SOO
| Soo Line | 3 |
SOU
| Southern | 1 |
SP
| Southern Pacific | 4 |
TCMX
| CIT Group/Capital Finance, Inc | 11 |
TCTX
| Tube City Incorporated | 6 |
TFM
| Kansas City Southern De Mexico | 1 |
TIMX
| Trinity Industries Leasing Company | 6 |
TKEN
| Tennken Railroad Company Incorporated | 2 |
TLAX
| Transload America LLC | 10 |
TN
| Texas and Northern Railway Company | 1 |
TR
| Tomahawk Railway L.P. | 4 |
TVRR
| Tulare Valley Railroad Company | 1 |
UP
| Union Pacific Railroad Company | 3 |
WC
| Wisconsin Central | 27 |
WE
| Wheeling & Lake Erie | 4 |
WPRR
| Willamette and Pacific | 3 |
WRFX
| White River Trading Incorporated | 1 |
WTLX
| Wilmot Transportation & Logistics | 4 |
YARR
| Youngstown and Austintown Railroad | 1 |
ZVBX
| Ferrous Processing and Trading Company | 1 |