ABOX
| TTX Company | 1 |
ADLX
| Adler Funding LLC | 1 |
ADMX
| ADM Transportation Company | 1 |
AHWX
| SUNOCO INC (R&M) | 1 |
AM
| Arkansas & Missouri | 1 |
AOK
| Arkansas-Oklahoma Railroad | 46 |
AOKX
| Greenbrier Management Services, LLC | 15 |
ATSF
| Atchison Topeka & Santa Fe | 29 |
ATW
| Atlantic and Western | 6 |
BCOL
| Canadian National Railways | 3 |
BN
| Burlington Northern | 21 |
BNSF
| BNSF Railway | 232 |
BRGX
| BRIDGER RAIL SHIPPING LLC | 3 |
BTCX
| Browner Turnout Company | 1 |
CKIX
| C.K. Industries | 1 |
CMO
| Chicago St Paul Minneapolis & Omaha | 2 |
CN
| Canadian National Railways | 64 |
CNA
| Canadian National Railways | 51 |
CNW
| Chicago & Northwestern | 8 |
COER
| Crab Orchard & Egyptian | 7 |
CP
| Canadian Pacific Railway | 79 |
CPAA
| Canadian Pacific Railway | 9 |
CPR
| Canadian Pacific Railway | 5 |
CR
| Conrail | 28 |
CSX
| CSX Railroad | 343 |
DRGW
| Denver & Rio Grande Western | 9 |
DWC
| Canadian National Railways | 1 |
EPTX
| Elk Point Transportation Co., LLC | 1 |
ETCX
| Eastman Tennessee Corporation | 1 |
ETRX
| Arkansas Power and Light Company | 1 |
FEC
| Florida East Coast | 2 |
FLCX
| CIT Group/Capital Finance, Inc | 2 |
FXE
| Ferromex | 47 |
GBL
| GBL | 1 |
GNAX
| Holcim (US) Inc | 1 |
GT
| GT | 1 |
GTRA
| Golden Triangle Railroad | 1 |
GTW
| Grand Trunk Western | 26 |
HEQX
| Helm Financial Corporation | 1 |
IANR
| Iowa Northern Ry | 1 |
IC
| Illinois Central | 1 |
ICE
| Iowa Chicago and Eastern | 1 |
IHB
| Indiana Harbor Belt | 1 |
JBH
| JBH | 1 |
JBUH
| JBUH | 1 |
KCS
| Kansas City Southern | 24 |
KCSM
| Kansas City Southern De Mexico | 14 |
KLLM
| KLLM | 1 |
LCRX
| Lower Colorado River Authority (Texas) | 1 |
LSRC
| Lake State Railway Company | 1 |
LW
| Louisville and Wadley Railway Company | 1 |
MAEG
| Maersk Sealand | 1 |
MBKX
| Mitsui Rail Capital | 2 |
MKT
| Missouri-Kansas-Texas | 5 |
MKTP
| MKTP | 1 |
MKTW
| MKTW | 1 |
MOCX
| THE MOSAIC COMPANY | 2 |
MP
| Missouri Pacific | 55 |
MSCJ
| MSCJ | 1 |
MWCX
| Midwest Railcar Corporation | 2 |
NAX
| NAX | 1 |
NCNI
| NCNI | 1 |
NEMF
| NEMF | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 37 |
NNS
| NNS | 1 |
NOKL
| Northwestern Oklahoma | 35 |
NORX
| Northern Indiana Public Service Company | 1 |
NS
| Norfolk Southern | 328 |
NSAX
| National Steel Corporation | 1 |
NSSX
| National Salvage and Service Corporation | 1 |
NW
| Norfolk & Western | 11 |
OLSX
| Olsen Bros Enterprises | 1 |
PRSX
| Progress Rail Service | 1 |
RACF
| RACF | 1 |
RGCX
| Rio Grande Chemical LTD | 1 |
ROEH
| ROEH | 1 |
SBD
| Seaboard System | 1 |
SCL
| Seaboard Coast Line | 1 |
SCRX
| SOUTH CAROLINA PUBLIC RAILWAYS | 1 |
SCYX
| First Union Rail | 3 |
SOO
| Soo Line | 5 |
SOU
| Southern | 9 |
SOXX
| SMBC RAIL SERVICES LLC | 1 |
SP
| Southern Pacific | 18 |
SPHX
| SPHX | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 8 |
STAX
| OCI Chemical Corporation | 1 |
STXA
| STXA | 1 |
TCLX
| Trinity Chemical Leasing LLC | 1 |
TFM
| Kansas City Southern De Mexico | 1 |
TINX
| Trinity Railcar | 74 |
TNM
| Union Pacific Railroad Company | 5 |
TOAX
| TTX Company - Autoracks | 68 |
TR
| Tomahawk Railway L.P. | 1 |
TTJX
| TTX Company-Bulkhead Flats | 1 |
TTRX
| TTX Company-Spine Cars | 2 |
TTTX
| TTX Company | 16 |
TTUX
| TTX Company | 1 |
UCRY
| Utah Central | 2 |
UFTX
| RESIDCO | 1 |
UP
| Union Pacific Railroad Company | 43 |
UPL
| UPL | 1 |
UTKX
| UTKX | 1 |
UTLX
| Union Tank Car Company | 1 |
UTX
| UTX | 1 |
VNSX
| VNSX | 1 |
WC
| Wisconsin Central | 2 |
WE
| Wheeling & Lake Erie | 1 |
WLO
| Waterloo Railway Company (Illinois Central) | 3 |
WPEX
| Wabash Power Equipment Company | 1 |
WRWK
| Providence & Worchester Railroad | 2 |
WRWX
| Trinity Industries Inc. | 1 |
YANK
| YANK | 1 |