ADLX
| Adler Funding LLC | 2 |
AERC
| Albany and Eastern Railroad Company | 155 |
AGYX
| Centrex Construction Products Inc (American Gypsum Company) | 4 |
AKMD
| Arkansas Midland Railroad Company | 42 |
ALM
| Arkansas Louisiana and Mississippi Railr | 1 |
AM
| Arkansas & Missouri | 6 |
ANR
| Angelina and Neches River Railroad | 1 |
AOK
| Arkansas-Oklahoma Railroad | 1159 |
AOX
| AOX | 1 |
ATSF
| Atchison Topeka & Santa Fe | 2 |
ATW
| Atlantic and Western | 779 |
BAR
| Bangor & Aroostook | 1 |
BCC
| BCC | 1 |
BCH
| Southern Railway of British Columbia Limited | 2 |
BCIT
| Canadian National Railways | 28 |
BCOL
| Canadian National Railways | 783 |
BENX
| Investors Property Service | 1 |
BLHX
| SMBC RAIL SERVICES LLC | 1 |
BN
| Burlington Northern | 82 |
BNSF
| BNSF Railway | 1120 |
BOCL
| BOCL | 1 |
BR
| Buffalo and Pittsburgh | 23 |
CAGY
| Columbus & Greenville Railway | 28 |
CBRX
| Charles Barthold | 2 |
CBRY
| Copper Basin Railway | 105 |
CEFX
| CIT Group/Capital Finance, Inc | 7 |
CGLX
| GATX Rail Canada | 2 |
CHTT
| Chicago Heights Terminal Transfer | 133 |
CLC
| Columbia and Cowlitz Railway Company | 124 |
CN
| Canadian National Railways | 1089 |
CNA
| Canadian National Railways | 86 |
CNIS
| Canadian National Railways | 82 |
COER
| Crab Orchard & Egyptian | 238 |
CORP
| Central Oregon & Pacific | 39 |
CP
| Canadian Pacific Railway | 38 |
CR
| Conrail | 1 |
CRLE
| Coe Rail Incorporated | 108 |
CSCD
| Cascade and Columbia River Railroad Company | 5 |
CSX
| CSX Railroad | 145 |
CSXU
| CSX Transportation Incorporated | 1 |
CXST
| CXST | 1 |
DWC
| Canadian National Railways | 632 |
EEC
| East Erie Commercial Railroad | 5 |
FCEN
| Florida Central | 18 |
FDDM
| Fort Dodge Des Moines & Southern | 135 |
FURX
| First Union Rail | 105 |
GACX
| General American Marks Company | 8 |
GAEX
| General American Marks Company | 41 |
GBRX
| Greenbrier Leasing Corporation | 1 |
GBRY
| Gettysburg Railway. | 1 |
GMRC
| Green Mountain RR | 23 |
GNRR
| Georgia Northeastern | 101 |
GNWR
| Genesee and Wyoming Railroad Company | 11 |
GROX
| First Union Rail | 1 |
GRYR
| Grenada Railway | 5 |
GTW
| Grand Trunk Western | 321 |
GWRR
| Great Walton Railroad | 1 |
HE
| Hollis and Eastern Railroad Company | 39 |
HLSC
| Hampton Railway Incorporated | 285 |
HOXL
| HOXL | 1 |
HPTX
| HAMPTON CAPITAL LLC | 16 |
HTTZ
| HTTZ | 1 |
IANR
| Iowa Northern Ry | 120 |
IBT
| International Bridge and Terminal Company | 12 |
IC
| Illinois Central | 295 |
ICG
| Illinois Central Gulf | 1 |
JPEX
| JPEX | 1 |
KCS
| Kansas City Southern | 32 |
KDTX
| Tomco Railway Car Co., Inc. | 2 |
KLRX
| KOCH RAIL LLC | 21 |
LBR
| Lowville and Beaver River Railroad Compa | 1 |
LMIC
| Lake Michigan & Indiana Railroad | 51 |
LRS
| Laurinburg and Southern | 63 |
LRWN
| Little Rock & Western | 22 |
LSTX
| LSTX | 4 |
LW
| Louisville and Wadley Railway Company | 164 |
MCSA
| Moscow Camden and San Augustine Railroad | 2 |
MD
| C&J RAILROAD COMPANY D/B/A MISSISSIPPI DELTA RAILROAD | 1 |
MDS
| Meridian Southern Railway, LLC | 5 |
MEC
| Maine Central | 19 |
MILW
| Milwaukee Road | 3 |
MMA
| Montreal, Maine & Atlantic | 88 |
MR
| McCloud Railway Company | 27 |
MSDR
| Knoxville & Holston River Railroad | 4 |
MSRC
| Kansas City Southern | 107 |
MSV
| Mississippi and Skuna Valley Railroad Co | 11 |
MWNX
| MWNX | 7 |
NAFX
| General Electric Rail Services | 2 |
NCKR
| NCKR | 1 |
NCRC
| Nebraska Central | 1 |
NDYX
| First Union Rail | 102 |
NGSX
| NGSX | 5 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 32 |
NLRX
| NLRX | 1 |
NOKL
| Northwestern Oklahoma | 1285 |
NRLX
| CIT Group/Capital Finance, Inc | 28 |
NS
| Norfolk Southern | 597 |
NSSX
| National Salvage and Service Corporation | 1 |
NYDX
| NYDX | 1 |
OFOX
| RESIDCO | 1 |
ONT
| Ontario Northland Railway | 53 |
PHMX
| P&H Mining Equipment | 1 |
RSPX
| RSPX | 1 |
RVPR
| Riverport R.R., L.L.C. | 47 |
RVRR
| RVRR | 1 |
S
| S | 1 |
SDIX
| Steel Dynamics, Inc | 4 |
SERA
| Sierra Northern Railway | 32 |
SFLC
| BNSF Railway | 12 |
SGLR
| Seminole Gulf | 68 |
SLGR
| SLGR | 1 |
SLR
| St Lawrence & Atlantic | 1 |
SMR
| SMR | 1 |
SMW
| St Marys Railway West LLC | 292 |
SOO
| Soo Line | 690 |
SOU
| Southern | 4 |
SP
| Southern Pacific | 2 |
SRY
| Southern Railway of British Columbia Lim | 153 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 12 |
STC
| STC | 10 |
SWM
| SWM | 4 |
TB
| TB | 1 |
TCAX
| General Electric Rail Services | 7 |
TH
| TH | 1 |
TKEN
| Tennken Railroad Company Incorporated | 4 |
TNER
| Texas Northeastern Division Mid-Michigan | 11 |
TOE
| Texas Oklahoma and Eastern RR Company | 15 |
TPI
| TPI | 1 |
TR
| Tomahawk Railway L.P. | 625 |
TSE
| Texas South-Eastern Railroad Company | 4 |
TTBX
| TTX Company | 1 |
TTFX
| TTX Company | 1 |
TTGX
| TTX Company-Autoracks | 1 |
TTPX
| TTX Company - Bulkhead Flats | 1 |
TTX
| TTX Company | 6 |
TTXZ
| TTXZ | 1 |
TTZX
| TTX Company-Centerbeam Flats | 5204 |
TW
| TW | 1 |
UCIR
| Union County Industrial Railroad | 58 |
UCRY
| Utah Central | 185 |
UNK
| UNK | 1 |
UP
| Union Pacific Railroad Company | 588 |
USS
| U.S. Steel | 1 |
WC
| Wisconsin Central | 677 |
WCPC
| WCPC | 1 |
WCRC
| Washington Central | 153 |
WCRX
| WCRX | 1 |
WCTR
| WCTU Company White City Terminal Railway | 20 |
WFRX
| WELLS FARGO RAIL CORPORATION | 3 |
WP
| Western Pacific | 1 |
WPRR
| Willamette and Pacific | 45 |
WRK
| WRK | 1 |
WRWK
| Providence & Worchester Railroad | 269 |
YARR
| Youngstown and Austintown Railroad | 1 |