AOK
| Arkansas-Oklahoma Railroad | 3 |
APPX
| Appalachian Railcar Services | 1 |
BCOL
| Canadian National Railways | 9 |
BFPX
| Besse Forest Products | 1 |
BLHX
| SMBC RAIL SERVICES LLC | 1 |
BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 6 |
CN
| Canadian National Railways | 3 |
CW
| Colorado and Wyoming | 7 |
DJJX
| Joseph Transportation Incorporated | 1 |
EAMX
| Everest Railcar Services, Inc | 1 |
GAEX
| General American Marks Company | 2 |
GMRC
| Green Mountain RR | 1 |
IC
| Illinois Central | 3 |
ICG
| Illinois Central Gulf | 7 |
IHB
| Indiana Harbor Belt | 2 |
JTSX
| Joseph Transportation Incorporated | 2 |
LW
| Louisville and Wadley Railway Company | 3 |
MBCX
| Chicago Freight Car Leasing Co | 1 |
MP
| Missouri Pacific | 3 |
NOKL
| Northwestern Oklahoma | 3 |
NS
| Norfolk Southern | 4 |
PHMX
| P&H Mining Equipment | 1 |
PMRX
| Progress Metal Reclamation Company | 1 |
POGX
| PIGX | 2 |
SNC
| Saratoga & North Creek Railway | 2 |
SOO
| Soo Line | 1 |
SOU
| Southern | 29 |
SP
| Southern Pacific | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 25 |
TOPX
| TOPX | 3 |
TPPX
| Thilmany LLC | 1 |
TRLX
| Texas Railcar Leasing Company | 1 |
TTJX
| TTX Company-Bulkhead Flats | 15 |
TTPX
| TTX Company - Bulkhead Flats | 28 |
UP
| Union Pacific Railroad Company | 3 |
VB
| Van Buren Bridge Company (Bangor & Aroostook) | 1 |
WC
| Wisconsin Central | 1 |
YARR
| Youngstown and Austintown Railroad | 1 |