AM
| Arkansas & Missouri | 1 |
BN
| Burlington Northern | 1 |
BNBX
| Greenbrier Management Services, LLC | 3 |
CEFX
| CIT Group/Capital Finance, Inc | 1 |
CLEX
| Cieco Corporation | 3 |
CSX
| CSX Railroad | 1 |
DJJX
| Joseph Transportation Incorporated | 3 |
DRGW
| Denver & Rio Grande Western | 2 |
ETRX
| Arkansas Power and Light Company | 3 |
FPPX
| Fayette Power Project (Texas) | 1 |
FURX
| First Union Rail | 1 |
GGPX
| General American Marks Company | 2 |
GMQX
| Granite Mountain Quarry | 2 |
GNTX
| TTX Company | 1 |
GONX
| Railgon Company | 3 |
MP
| Missouri Pacific | 2 |
OFOX
| RESIDCO | 3 |
OGEX
| Oklahoma Gas and Electric Company | 10 |
SATX
| City Public Service Board of San Antonio Texas | 2 |
SMIX
| Structural Metals Incorporated | 1 |
TGNX
| NRG Energy | 1 |
UP
| Union Pacific Railroad Company | 4 |
VLI
| Valor da Logistica Integrada | 1 |