AERC
| Albany and Eastern Railroad Company | 1 |
AGR
| Alabama and Gulf Coast | 5 |
AOK
| Arkansas-Oklahoma Railroad | 2 |
ARR
| Alaska Railroad | 4 |
ATSF
| Atchison Topeka & Santa Fe | 6 |
ATW
| Atlantic and Western | 6 |
BAEX
| Andersons | 1 |
BCLR
| Bay Colony | 1 |
BCOL
| Canadian National Railways | 5 |
BKTY
| Union Pacific Railroad Company | 6 |
BLHX
| SMBC RAIL SERVICES LLC | 1 |
BNSF
| BNSF Railway | 9 |
CIBX
| CIT Group/Capital Finance, Inc | 2 |
CIC
| Cedar Rapids & Iowa City | 1 |
CN
| Canadian National Railways | 6 |
CNA
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 8 |
COER
| Crab Orchard & Egyptian | 4 |
CP
| Canadian Pacific Railway | 2 |
CR
| Conrail | 1 |
CRLE
| Coe Rail Incorporated | 3 |
CSX
| CSX Railroad | 29 |
DRGW
| Denver & Rio Grande Western | 1 |
DWC
| Canadian National Railways | 3 |
EEC
| East Erie Commercial Railroad | 3 |
FBOX
| TTX Company | 3 |
FP
| Fordyce & Princeton Railroad Company | 1 |
FXE
| Ferromex | 5 |
GATX
| General American Marks Company | 1 |
GNRR
| Georgia Northeastern | 1 |
GTW
| Grand Trunk Western | 1 |
HPJX
| Helm-Pacific Leasing | 1 |
HS
| H and S Railroad Company | 1 |
IANR
| Iowa Northern Ry | 2 |
IBT
| International Bridge and Terminal Company | 8 |
IC
| Illinois Central | 6 |
ICG
| Illinois Central Gulf | 1 |
KCS
| Kansas City Southern | 19 |
KYLE
| Kyle Railroad | 1 |
LRS
| Laurinburg and Southern | 7 |
LVRR
| Lycoming Valley | 1 |
LW
| Louisville and Wadley Railway Company | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 5 |
MISX
| Milwaukee Solvents and Chemicals Corporation | 1 |
MNA
| Missouri and Northern Arkansas | 1 |
MP
| Missouri Pacific | 9 |
MPCX
| Michels Corporation | 1 |
MRL
| Montana Rail Link | 2 |
MTNR
| Mississippi Tennessee Railroad LLC | 3 |
MWCX
| Midwest Railcar Corporation | 2 |
NADX
| General Electric Rail Services | 1 |
NRLX
| CIT Group/Capital Finance, Inc | 3 |
NS
| Norfolk Southern | 30 |
NYC
| New York Central | 3 |
OAR
| Old Augusta Railroad | 5 |
RBOX
| Railbox Company | 5 |
SGLR
| Seminole Gulf | 6 |
SMW
| St Marys Railway West LLC | 1 |
SO
| South Orient | 1 |
SOU
| Southern | 9 |
SP
| Southern Pacific | 14 |
SPS
| Spokane Portland & Seattle | 3 |
SRN
| Sabine River & Northern | 1 |
SRY
| Southern Railway of British Columbia Lim | 7 |
SSW
| St Louis Southwestern (Cotton Belt) | 4 |
TBOX
| TTX Company | 16 |
TFM
| Kansas City Southern De Mexico | 3 |
TIMX
| Trinity Industries Leasing Company | 1 |
TOE
| Texas Oklahoma and Eastern RR Company | 4 |
TOFX
| TTX Company - Box Cars | 3 |
TR
| Tomahawk Railway L.P. | 2 |
UP
| Union Pacific Railroad Company | 8 |
WC
| Wisconsin Central | 7 |
WP
| Western Pacific | 2 |
WRWK
| Providence & Worchester Railroad | 2 |
WSOR
| Wisconsin & Southern | 1 |