AEPX
| American Electric Power | 1 |
AM
| Arkansas & Missouri | 1 |
AMGX
| AMG Resources Corporation | 1 |
ATSF
| Atchison Topeka & Santa Fe | 10 |
BISX
| Brandenburg Industrial Service Co | 1 |
BKTY
| Union Pacific Railroad Company | 1 |
BN
| Burlington Northern | 4 |
BNBX
| Greenbrier Management Services, LLC | 1 |
BNSF
| BNSF Railway | 14 |
BSPX
| Otter Tail Power Company (S.Dak.) | 2 |
BVRY
| Brandywine Valley Railroad Company | 1 |
CEFX
| CIT Group/Capital Finance, Inc | 1 |
CGW
| Chicago Great Western | 1 |
CMO
| Chicago St Paul Minneapolis & Omaha | 2 |
CNW
| Chicago & Northwestern | 8 |
CP
| Canadian Pacific Railway | 3 |
CR
| Conrail | 36 |
CSX
| CSX Railroad | 2 |
CW
| Colorado and Wyoming | 2 |
DGNO
| Dallas Garland & Northeastern | 2 |
DLRX
| General Electric Rail Services | 1 |
DME
| Dakota, Minnesota and Eastern | 1 |
DRGW
| Denver & Rio Grande Western | 5 |
EJE
| Elgin Joliet and Eastern | 2 |
ENVX
| EnergySolutions LLC | 1 |
FXE
| Ferromex | 3 |
GGPX
| General American Marks Company | 1 |
GLR
| GLR | 1 |
GLRX
| Georgetown Loop Railroad Incorporated | 2 |
GNTX
| TTX Company | 11 |
GONX
| Railgon Company | 1 |
GSSX
| Gopher State Scrap and Metal | 3 |
GTLR
| GTLR | 2 |
GWWR
| Gateway Western | 4 |
HZGX
| Herzog Contracting Corporation | 2 |
ICE
| Iowa Chicago and Eastern | 2 |
IMRL
| I&M Rail Link | 1 |
KCLX
| Kansas City Power and Light Company | 8 |
KCS
| Kansas City Southern | 2 |
KEYX
| Keywell Corporation | 2 |
LXOH
| Knoxville & Holston River Railroad | 2 |
MHFX
| MHF Logistical Solutions Incorporated | 4 |
MKT
| Missouri-Kansas-Texas | 2 |
MP
| Missouri Pacific | 26 |
MRL
| Montana Rail Link | 4 |
NP
| Northern Pacific | 2 |
NS
| Norfolk Southern | 5 |
NSAX
| National Steel Corporation | 1 |
NUEX
| Nucor Steel | 1 |
NW
| Norfolk & Western | 1 |
NYC
| New York Central | 2 |
OHFX
| Fluor Daniel Fernald | 2 |
OMNX
| OmniSource Corp | 1 |
PNJX
| Trinity Rail Management | 1 |
RMDX
| American Refrigerator Transit Company | 1 |
RSS
| Rockdale, Sandow & Southern Railroad | 1 |
SBD
| Seaboard System | 1 |
SIMX
| Sturgis Iron & Metal | 1 |
SLSF
| Saint Louis-San Francisco | 1 |
SMIX
| Structural Metals Incorporated | 2 |
SP
| Southern Pacific | 2 |
SPSX
| Progress Rail Services Corp | 1 |
TCMX
| CIT Group/Capital Finance, Inc | 1 |
TFM
| Kansas City Southern De Mexico | 2 |
TILX
| Trinity Industries Leasing Company | 2 |
TZPR
| Tazewell & Peoria Railroad | 2 |
UP
| Union Pacific Railroad Company | 1 |
WCRC
| Washington Central | 1 |