AC
| Algoma Central | 1 |
ADN
| Ashley Drew & Northern | 1 |
AIMX
| AMERICAN IRON & METAL LP | 1 |
AMGX
| AMG Resources Corporation | 2 |
AR
| Aberdeen and Rockfish | 1 |
ASRX
| Domino Sugar Company | 1 |
ATSF
| Atchison Topeka & Santa Fe | 14 |
BHRR
| Birmingham Terminal Railway | 1 |
BISX
| Brandenburg Industrial Service Co | 1 |
BLE
| Bessemer & Lake Erie | 1 |
BN
| Burlington Northern | 11 |
BNSF
| BNSF Railway | 3 |
BO
| Baltimore & Ohio | 3 |
CBQ
| Chicago Burlington & Quincy | 5 |
CDEX
| Coastal Distribution, LLC | 1 |
CEFX
| CIT Group/Capital Finance, Inc | 1 |
CFCX
| CRONIMET CORPORATION | 1 |
CHTT
| Chicago Heights Terminal Transfer | 3 |
CIGX
| THE CIT GROUP/CAPITAL FINANCE, INC. | 1 |
CIM
| Chicago And Illinois Midland | 1 |
CMO
| Chicago St Paul Minneapolis & Omaha | 1 |
CNW
| Chicago & Northwestern | 4 |
CO
| Chesapeake & Ohio | 1 |
CR
| Conrail | 46 |
CS
| Colorado & Southern | 2 |
CSX
| CSX Railroad | 5 |
CTWX
| CONSHOHOCKEN RAIL, LLC | 4 |
DH
| Delaware & Hudson | 2 |
DJJX
| Joseph Transportation Incorporated | 2 |
DRGW
| Denver & Rio Grande Western | 11 |
DTI
| Detroit Toledo & Ironton | 1 |
EJE
| Elgin Joliet and Eastern | 1 |
EL
| Erie Lackawanna | 3 |
FURX
| First Union Rail | 1 |
GN
| Great Northern | 6 |
GNTX
| TTX Company | 4 |
GONX
| Railgon Company | 4 |
GRW
| Gary Railway | 1 |
HIRR
| Hainesport Industrial Railroad | 6 |
HIRX
| TRANSPORTATION SERVICES & EQUIPMENT HOLDING, LLC | 2 |
HROX
| HROX | 2 |
IC
| Illinois Central | 1 |
ICG
| Illinois Central Gulf | 2 |
IHB
| Indiana Harbor Belt | 1 |
ITC
| Illinois Terminal Railroad | 1 |
ITFX
| INFINITY TRANSPORTATION III LLC | 1 |
KCS
| Kansas City Southern | 1 |
KEYX
| Keywell Corporation | 1 |
KMCX
| Kerr-Mcgee Coal Corporation (Okla.) | 1 |
LRS
| Laurinburg and Southern | 1 |
LT
| Lake Terminal Railroad Company | 2 |
LV
| Lehigh Valley | 1 |
MHFX
| MHF Logistical Solutions Incorporated | 1 |
MILW
| Milwaukee Road | 2 |
MIRX
| Regional Recycling LLC | 1 |
MKC
| McKeesport Connecting Railroad Company | 1 |
MKT
| Missouri-Kansas-Texas | 1 |
MLMX
| Metal Management Inc. | 6 |
MP
| Missouri Pacific | 1 |
MPA
| Maryland and Pennsylvania Railroad | 1 |
MVRY
| Mahoning Valley Ry | 1 |
MWAX
| Martin Marietta Materials Incorporated | 1 |
MWCX
| Midwest Railcar Corporation | 2 |
NDEM
| NDEM | 3 |
NDYX
| First Union Rail | 1 |
NELX
| NEWELL EQUIPMENT LEASING, LLC | 1 |
NKP
| Nickel Plate | 2 |
NN
| Northern Nevada Railroad Corporation | 1 |
NP
| Northern Pacific | 2 |
NS
| Norfolk Southern | 21 |
NW
| Norfolk & Western | 5 |
OMNX
| OmniSource Corp | 1 |
PBR
| Patapsco and Back Rivers Railroad | 1 |
PC
| Penn Central | 4 |
PLE
| Pittsburgh & Lake Erie | 5 |
RGLX
| RESERVE GROUP LEASING LLC | 1 |
ROCK
| Rock Island | 3 |
SATX
| City Public Service Board of San Antonio Texas | 1 |
SLSF
| Saint Louis-San Francisco | 2 |
SMIX
| Structural Metals Incorporated | 1 |
SOU
| Southern | 2 |
SP
| Southern Pacific | 9 |
SPS
| Spokane Portland & Seattle | 1 |
SULX
| Sultran Limited | 2 |
TFOX
| RESIDCO | 3 |
THB
| Toronto Hamilton & Buffalo | 2 |
TR
| Tomahawk Railway L.P. | 1 |
TRLX
| Texas Railcar Leasing Company | 1 |
UP
| Union Pacific Railroad Company | 16 |
USGX
| Union Sugar Co. | 2 |
WLCX
| WLCX | 4 |
WP
| Western Pacific | 5 |
WPMW
| Union Pacific Railroad Company | 1 |
YDC
| Yankeetown Docks | 1 |