AC
| Algoma Central | 1 |
AEPX
| American Electric Power | 11 |
AEX
| Andersons | 1 |
AOK
| Arkansas-Oklahoma Railroad | 3 |
AOKX
| Greenbrier Management Services, LLC | 1 |
ATSF
| Atchison Topeka & Santa Fe | 31 |
ATW
| Atlantic and Western | 5 |
BBGX
| Greenbrier Management Services, LLC | 1 |
BN
| Burlington Northern | 26 |
BNBX
| Greenbrier Management Services, LLC | 3 |
BNSF
| BNSF Railway | 35 |
BO
| Baltimore & Ohio | 1 |
CCTX
| Coleto Creek Power WLE, LP | 24 |
CEFX
| CIT Group/Capital Finance, Inc | 1 |
CHTT
| Chicago Heights Terminal Transfer | 2 |
CITX
| CIT Group/Capital Finance, Inc | 4 |
CMHX
| CarMath Incorporated | 3 |
CMO
| Chicago St Paul Minneapolis & Omaha | 14 |
CN
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 16 |
CP
| Canadian Pacific Railway | 7 |
CPOX
| Consumers Power Company (Mich.) | 2 |
CR
| Conrail | 4 |
CRLE
| Coe Rail Incorporated | 1 |
CS
| Colorado & Southern | 2 |
CSX
| CSX Railroad | 12 |
CTIE
| Kansas City Southern Railway Company | 3 |
CTRN
| Union Pacific Railroad Company | 5 |
CWEX
| Midwest Generation LLC | 1 |
DEEX
| Detroit Edison Company | 1 |
DETX
| Detroit Edison Company | 1 |
DGNO
| Dallas Garland & Northeastern | 1 |
DJJX
| Joseph Transportation Incorporated | 4 |
DRGW
| Denver & Rio Grande Western | 3 |
EJE
| Elgin Joliet and Eastern | 12 |
ETRX
| Arkansas Power and Light Company | 1 |
FPPX
| Fayette Power Project (Texas) | 21 |
FSTX
| Fuel Supply Trust | 1 |
FURX
| First Union Rail | 20 |
FWWR
| Fort Worth and Western | 1 |
FXE
| Ferromex | 44 |
GACX
| General American Marks Company | 4 |
GCCX
| General American Marks Company | 4 |
GEAX
| General Electric Rail Services | 2 |
GEMX
| General Electric Rail Services | 2 |
GN
| Great Northern | 6 |
GNTX
| TTX Company | 10 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
GONX
| Railgon Company | 9 |
GPMX
| Georgia-Pacific Corporation- Mid Continent Wood Products Mfg | 9 |
GPSX
| Georgia-Pacific Corporation Eastern Wood Products Mfg.Divisi | 1 |
GPWX
| Georgia-Pacific Corp | 2 |
GRW
| Gary Railway | 5 |
GSNX
| Helm Financial Corporation | 4 |
HCCX
| Southeastern Industrial Enterprises, Inc | 1 |
HCSX
| Helm Chesapeake LLP | 2 |
HEQX
| Helm Financial Corporation | 3 |
HKRX
| HKRX | 1 |
HLMX
| Helm Financial Corporation | 2 |
HPJX
| Helm-Pacific Leasing | 2 |
HROX
| HROX | 1 |
IAIS
| Iowa Interstate | 1 |
IC
| Illinois Central | 2 |
ICE
| Iowa Chicago and Eastern | 1 |
ICG
| Illinois Central Gulf | 2 |
IHB
| Indiana Harbor Belt | 4 |
ITFX
| INFINITY TRANSPORTATION III LLC | 1 |
JOSX
| Rail Connection, Inc | 2 |
JSCX
| Consumers Energy | 1 |
JTSX
| Joseph Transportation Incorporated | 2 |
KCLX
| Kansas City Power and Light Company | 10 |
KCS
| Kansas City Southern | 12 |
KCSM
| Kansas City Southern De Mexico | 5 |
LCRX
| Lower Colorado River Authority (Texas) | 15 |
LT
| Lake Terminal Railroad Company | 3 |
LW
| Louisville and Wadley Railway Company | 19 |
MARX
| MidAmerican Energy Corporation | 2 |
MBKX
| Mitsui Rail Capital | 1 |
MD
| C&J RAILROAD COMPANY D/B/A MISSISSIPPI DELTA RAILROAD | 1 |
MP
| Missouri Pacific | 30 |
MRL
| Montana Rail Link | 1 |
MS
| Michigan Shore Railroad Incorporated | 1 |
MSDR
| Knoxville & Holston River Railroad | 1 |
MVRY
| Mahoning Valley Ry | 1 |
MWAX
| Martin Marietta Materials Incorporated | 6 |
MWCX
| Midwest Railcar Corporation | 8 |
MWGX
| Midwest Generation LLC | 1 |
NCUX
| CIT Group/Capital Finance, Inc | 2 |
NDYX
| First Union Rail | 3 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 4 |
NOKL
| Northwestern Oklahoma | 4 |
NRLX
| CIT Group/Capital Finance, Inc | 9 |
NS
| Norfolk Southern | 5 |
NSAX
| National Steel Corporation | 2 |
NYC
| New York Central | 4 |
OGEX
| Oklahoma Gas and Electric Company | 3 |
OPSX
| Public Service Company of Oklahoma | 4 |
OVEX
| Ohio Valley Electric Company | 2 |
PC
| Penn Central | 2 |
RNDX
| American Railcar Leasing, LLC | 1 |
ROCK
| Rock Island | 1 |
SATX
| City Public Service Board of San Antonio Texas | 12 |
SBD
| Seaboard System | 2 |
SEPX
| Southwestern Electric Power Company (La.) | 2 |
SIEX
| Southeastern Industrial Enterprises Incorporated | 3 |
SMIX
| Structural Metals Incorporated | 39 |
SOO
| Soo Line | 1 |
SOU
| Southern | 4 |
SP
| Southern Pacific | 7 |
SRLX
| Southern Rail Leasing Incorporated | 2 |
SRY
| Southern Railway of British Columbia Lim | 2 |
TCMX
| CIT Group/Capital Finance, Inc | 4 |
TFM
| Kansas City Southern De Mexico | 17 |
TGNX
| NRG Energy | 23 |
TILX
| Trinity Industries Leasing Company | 6 |
TM
| Texas-Mexican | 3 |
TNMR
| Texas and New Mexico | 7 |
TOE
| Texas Oklahoma and Eastern RR Company | 13 |
TXO
| TXO | 4 |
UFIX
| NRG Energy | 6 |
UP
| Union Pacific Railroad Company | 9 |
WCRC
| Washington Central | 4 |
WEPX
| Wisconsin Electric Power Company | 5 |
WP
| Western Pacific | 2 |