AEPX
| American Electric Power | 2 |
AMGX
| AMG Resources Corporation | 1 |
AMTK
| Amtrak | 2 |
AOK
| Arkansas-Oklahoma Railroad | 1 |
ATSF
| Atchison Topeka & Santa Fe | 2 |
ATW
| Atlantic and Western | 4 |
BN
| Burlington Northern | 3 |
BNSF
| BNSF Railway | 5 |
CAEG
| Coffeen and Western | 3 |
CCTX
| Coleto Creek Power WLE, LP | 1 |
CHTT
| Chicago Heights Terminal Transfer | 1 |
CIGX
| THE CIT GROUP/CAPITAL FINANCE, INC. | 2 |
CW
| Colorado and Wyoming | 1 |
DJJX
| Joseph Transportation Incorporated | 3 |
DRGW
| Denver & Rio Grande Western | 6 |
FURX
| First Union Rail | 3 |
FXE
| Ferromex | 2 |
GONX
| Railgon Company | 2 |
HZGX
| Herzog Contracting Corporation | 1 |
JOSX
| Rail Connection, Inc | 2 |
KCS
| Kansas City Southern | 1 |
MKT
| Missouri-Kansas-Texas | 2 |
MP
| Missouri Pacific | 4 |
MVRY
| Mahoning Valley Ry | 1 |
NDYX
| First Union Rail | 8 |
SMIX
| Structural Metals Incorporated | 5 |
SP
| Southern Pacific | 3 |
SREX
| StatesRail Equipment Company LLC | 1 |
TFM
| Kansas City Southern De Mexico | 3 |
TGNX
| NRG Energy | 3 |
TNMR
| Texas and New Mexico | 1 |
TRLX
| Texas Railcar Leasing Company | 1 |
UP
| Union Pacific Railroad Company | 2 |
WCTX
| West Central Cooperative | 1 |