AOK
| Arkansas-Oklahoma Railroad | 1 |
ATW
| Atlantic and Western | 3 |
CBRY
| Copper Basin Railway | 1 |
CNIS
| Canadian National Railways | 2 |
COER
| Crab Orchard & Egyptian | 1 |
FDDM
| Fort Dodge Des Moines & Southern | 1 |
FURX
| First Union Rail | 5 |
IANR
| Iowa Northern Ry | 1 |
NDYX
| First Union Rail | 4 |
NRLX
| CIT Group/Capital Finance, Inc | 3 |
SOO
| Soo Line | 2 |
TR
| Tomahawk Railway L.P. | 1 |
TTZX
| TTX Company-Centerbeam Flats | 6 |
UP
| Union Pacific Railroad Company | 1 |
WRWK
| Providence & Worchester Railroad | 3 |