ACFX
| General Electric Rail Services | 1 |
ALNX
| Alberta Government | 1 |
AOK
| Arkansas-Oklahoma Railroad | 6 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BN
| Burlington Northern | 9 |
BO
| Baltimore & Ohio | 1 |
CFWR
| Caney Fork and Western Railroad | 1 |
CGW
| Chicago Great Western | 2 |
CMO
| Chicago St Paul Minneapolis & Omaha | 4 |
CNW
| Chicago & Northwestern | 25 |
CNWX
| Canadian Wheat Board | 2 |
CP
| Canadian Pacific Railway | 1 |
CRIX
| Citicorp Railmark, Inc. | 1 |
CSX
| CSX Railroad | 1 |
DME
| Dakota, Minnesota and Eastern | 1 |
EEC
| East Erie Commercial Railroad | 1 |
FURX
| First Union Rail | 11 |
GFSX
| General American Marks Company | 7 |
GTW
| Grand Trunk Western | 1 |
HLMX
| Helm Financial Corporation | 2 |
HPJX
| Helm-Pacific Leasing | 1 |
HS
| H and S Railroad Company | 2 |
IC
| Illinois Central | 2 |
ICG
| Illinois Central Gulf | 3 |
IFRX
| Infinity Rail LLC | 3 |
ITFX
| INFINITY TRANSPORTATION III LLC | 1 |
ITLX
| General Electric Rail Services | 5 |
KLRX
| KOCH RAIL LLC | 2 |
MNA
| Missouri and Northern Arkansas | 3 |
MOCX
| THE MOSAIC COMPANY | 2 |
MP
| Missouri Pacific | 2 |
MWCX
| Midwest Railcar Corporation | 2 |
NAHX
| General Electric Rail Services | 10 |
NYC
| New York Central | 2 |
PFMX
| Perdue Transportation Incorporated | 1 |
PLCX
| General Electric Rail Services | 1 |
RCLX
| Macquarie Rail Inc | 2 |
RMGX
| Andersons - Railgroup | 1 |
RUSX
| First Union Rail | 1 |
SAL
| Seaboard Air Line | 1 |
SIRX
| Southern Illinois Railcar Company | 1 |
SLSF
| Saint Louis-San Francisco | 9 |
SOU
| Southern | 3 |
SSW
| St Louis Southwestern (Cotton Belt) | 2 |
TCWR
| Twin Cities and Western | 5 |
TFM
| Kansas City Southern De Mexico | 2 |
UTCX
| Union Tank Car Company | 1 |
WAMX
| Webb Asset Management | 6 |
WC
| Wisconsin Central | 1 |