AOK
| Arkansas-Oklahoma Railroad | 51 |
ATSF
| Atchison Topeka & Santa Fe | 9 |
ATW
| Atlantic and Western | 56 |
BAEX
| Andersons | 4 |
BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 183 |
CAIX
| CAI Rail Inc. | 14 |
CIBX
| CIT Group/Capital Finance, Inc | 6 |
CNA
| Canadian National Railways | 3 |
COER
| Crab Orchard & Egyptian | 1 |
CP
| Canadian Pacific Railway | 516 |
CSX
| CSX Railroad | 420 |
GACX
| General American Marks Company | 30 |
GBRX
| Greenbrier Leasing Corporation | 1 |
IARX
| InStar Leasing | 9 |
KCS
| Kansas City Southern | 220 |
KCSM
| Kansas City Southern De Mexico | 7 |
KXHR
| Knoxville & Holston River RR | 1 |
MRL
| Montana Rail Link | 3 |
NDYX
| First Union Rail | 4 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 16 |
NOKL
| Northwestern Oklahoma | 37 |
RRLX
| Rail Logistics, LC | 2 |
SCL
| Seaboard Coast Line | 1 |
TILX
| Trinity Industries Leasing Company | 1 |
TIMX
| Trinity Industries Leasing Company | 1 |
TR
| Tomahawk Railway L.P. | 158 |
WCOR
| Wellsboro and Corning Railroad Company | 2 |
WFRX
| WELLS FARGO RAIL CORPORATION | 1 |
WP
| Western Pacific | 3 |
YVRR
| Yadkin Valley | 1 |