AEX
| Andersons | 3 |
ATSF
| Atchison Topeka & Santa Fe | 3 |
BN
| Burlington Northern | 3 |
BNSF
| BNSF Railway | 4 |
BVRY
| Brandywine Valley Railroad Company | 1 |
CC
| Chicago Central & Pacific | 1 |
CR
| Conrail | 1 |
DJLX
| CIT Group/Capital Finance, Inc | 1 |
DJTX
| Joseph Transportation Incorporated | 5 |
DRGW
| Denver & Rio Grande Western | 1 |
GN
| Great Northern | 1 |
GWWR
| Gateway Western | 1 |
IAIS
| Iowa Interstate | 8 |
IC
| Illinois Central | 1 |
ICG
| Illinois Central Gulf | 1 |
MKT
| Missouri-Kansas-Texas | 1 |
MP
| Missouri Pacific | 1 |
NW
| Norfolk & Western | 1 |
SOO
| Soo Line | 2 |
SP
| Southern Pacific | 1 |
SPSX
| Progress Rail Services Corp | 1 |
TFM
| Kansas City Southern De Mexico | 1 |