AEPX
| American Electric Power | 2 |
ATSF
| Atchison Topeka & Santa Fe | 3 |
BN
| Burlington Northern | 1 |
CMO
| Chicago St Paul Minneapolis & Omaha | 14 |
DJJX
| Joseph Transportation Incorporated | 3 |
FPPX
| Fayette Power Project (Texas) | 22 |
FURX
| First Union Rail | 8 |
GCCX
| General American Marks Company | 1 |
JOSX
| Rail Connection, Inc | 4 |
JTSX
| Joseph Transportation Incorporated | 2 |
LCRX
| Lower Colorado River Authority (Texas) | 11 |
MWAX
| Martin Marietta Materials Incorporated | 3 |
SMIX
| Structural Metals Incorporated | 2 |
TM
| Texas-Mexican | 3 |