ATSF
| Atchison Topeka & Santa Fe | 7 |
CHTT
| Chicago Heights Terminal Transfer | 4 |
FPPX
| Fayette Power Project (Texas) | 1 |
KCSM
| Kansas City Southern De Mexico | 3 |
LW
| Louisville and Wadley Railway Company | 2 |
MS
| Michigan Shore Railroad Incorporated | 2 |
SMIX
| Structural Metals Incorporated | 1 |
SPSX
| Progress Rail Services Corp | 4 |
TFM
| Kansas City Southern De Mexico | 2 |
TILX
| Trinity Industries Leasing Company | 11 |
UP
| Union Pacific Railroad Company | 3 |