ANGX
| Andersons - Railgroup | 1 |
BN
| Burlington Northern | 6 |
BNSF
| BNSF Railway | 4 |
BS
| Birmingham Southern RR | 1 |
CNW
| Chicago & Northwestern | 1 |
CO
| Chesapeake & Ohio | 1 |
COAX
| Trinity Rail Management | 1 |
CSX
| CSX Railroad | 21 |
DRGW
| Denver & Rio Grande Western | 6 |
EL
| Erie Lackawanna | 1 |
FEC
| Florida East Coast | 3 |
FRKX
| Florida Rock Industries | 3 |
GABX
| General American Marks Company | 1 |
GRR
| Georgetown Railroad Company | 4 |
HBWX
| Georgia Power Company | 1 |
HLMX
| Helm Financial Corporation | 6 |
INRD
| Indiana Railroad | 3 |
JHMX
| Alabama Power Company | 1 |
MMID
| Maryland Midland | 1 |
MP
| Missouri Pacific | 2 |
NS
| Norfolk Southern | 1 |
NYC
| New York Central | 1 |
PGNX
| Carolina Power & Light Co | 2 |
RBMN
| Reading Blue Mountain & Northern | 2 |
RWSX
| Scherer Electric Generating Facility (Ala.) | 1 |
SATX
| City Public Service Board of San Antonio Texas | 1 |
SBD
| Seaboard System | 1 |
SEMX
| Seminole Electric Cooperative | 2 |
SOU
| Southern | 19 |
TCMX
| CIT Group/Capital Finance, Inc | 1 |
TILX
| Trinity Industries Leasing Company | 4 |
TUGX
| Texas Utilities Mining Company | 1 |
UP
| Union Pacific Railroad Company | 2 |
WM
| Western Maryland | 1 |