AAIX
| Acs International Inc | 4 |
ABS
| Alabama Southern Railroad | 15 |
AC
| Algoma Central | 2 |
ALAB
| Alabama Railroad | 3 |
ALY
| Allegheny and Eastern Railroad Incorpora | 64 |
AOK
| Arkansas-Oklahoma Railroad | 10 |
ATW
| Atlantic and Western | 57 |
BCOL
| Canadian National Railways | 79 |
BFPX
| Besse Forest Products | 5 |
BN
| Burlington Northern | 45 |
BNSF
| BNSF Railway | 90 |
BPRR
| Buffalo and Pittsburgh | 11 |
BVRY
| Brandywine Valley Railroad Company | 8 |
CANX
| CANAC International | 1 |
CIGX
| THE CIT GROUP/CAPITAL FINANCE, INC. | 8 |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY | 5 |
CN
| Canadian National Railways | 265 |
CNIS
| Canadian National Railways | 19 |
CP
| Canadian Pacific Railway | 39 |
CSX
| CSX Railroad | 10 |
CW
| Colorado and Wyoming | 30 |
DME
| Dakota, Minnesota and Eastern | 3 |
DWC
| Canadian National Railways | 22 |
FCEN
| Florida Central | 7 |
FURX
| First Union Rail | 2 |
GIMX
| General American Marks Company | 1 |
GLVX
| Marion Plywood Corp | 26 |
GNRR
| Georgia Northeastern | 4 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
HE
| Hollis and Eastern Railroad Company | 1 |
HPJX
| Helm-Pacific Leasing | 3 |
HS
| H and S Railroad Company | 1 |
IC
| Illinois Central | 93 |
ICE
| Iowa Chicago and Eastern | 38 |
ICG
| Illinois Central Gulf | 126 |
IFRX
| Infinity Rail LLC | 8 |
IHB
| Indiana Harbor Belt | 42 |
ITLX
| General Electric Rail Services | 80 |
JOBX
| Tealinc Limited | 5 |
JTSX
| Joseph Transportation Incorporated | 11 |
KCS
| Kansas City Southern | 2 |
KXHR
| Knoxville & Holston River RR | 19 |
LMIC
| Lake Michigan & Indiana Railroad | 10 |
LN
| Louisville & Nashville | 3 |
LRS
| Laurinburg and Southern | 10 |
LW
| Louisville and Wadley Railway Company | 124 |
MBCX
| Chicago Freight Car Leasing Co | 1 |
MCEX
| Midwest Railcar Equipment Company | 1 |
MEC
| Maine Central | 1 |
MILW
| Milwaukee Road | 1 |
MMA
| Montreal, Maine & Atlantic | 16 |
MP
| Missouri Pacific | 1 |
MRL
| Montana Rail Link | 3 |
MSTL
| Minneapolis & St Louis | 1 |
MVKX
| Tubular Transport Services | 4 |
NAFX
| General Electric Rail Services | 14 |
NOKL
| Northwestern Oklahoma | 170 |
NS
| Norfolk Southern | 225 |
NSHR
| North Shore | 6 |
NW
| Norfolk & Western | 2 |
OTDX
| Greenbrier Leasing Corporation | 2 |
PMRX
| Progress Metal Reclamation Company | 1 |
SBD
| Seaboard System | 9 |
SH
| Steelton and Highspire Railroad Company | 62 |
SOO
| Soo Line | 22 |
SOU
| Southern | 203 |
SPEX
| SOUTHERN PARTS & EQUIPMENT INC. | 1 |
SPSX
| Progress Rail Services Corp | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 76 |
TFM
| Kansas City Southern De Mexico | 1 |
TKEN
| Tennken Railroad Company Incorporated | 1 |
TOE
| Texas Oklahoma and Eastern RR Company | 25 |
TR
| Tomahawk Railway L.P. | 16 |
TTJX
| TTX Company-Bulkhead Flats | 133 |
TTKX
| TTX Company | 1 |
TTPX
| TTX Company - Bulkhead Flats | 1473 |
UCRY
| Utah Central | 3 |
UMP
| Upper Merion and Plymouth Railroad | 3 |
UP
| Union Pacific Railroad Company | 58 |
WC
| Wisconsin Central | 14 |
WCRC
| Washington Central | 6 |
WCTR
| WCTU Company White City Terminal Railway | 41 |
YARR
| Youngstown and Austintown Railroad | 3 |