ALAB
| Alabama Railroad | 1 |
ATSF
| Atchison Topeka & Santa Fe | 17 |
BAEX
| Andersons | 25 |
BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 36 |
BO
| Baltimore & Ohio | 7 |
CNW
| Chicago & Northwestern | 11 |
CO
| Chesapeake & Ohio | 13 |
CR
| Conrail | 18 |
CSX
| CSX Railroad | 135 |
ENDX
| GATX de Mexico SA de CV | 1 |
FVSX
| FVSX | 1 |
GNRR
| Georgia Northeastern | 1 |
GTW
| Grand Trunk Western | 4 |
HPJX
| Helm-Pacific Leasing | 9 |
IC
| Illinois Central | 1 |
ICG
| Illinois Central Gulf | 2 |
LVRR
| Lycoming Valley | 14 |
MDDE
| Maryland and Delaware Railroad | 2 |
MILW
| Milwaukee Road | 1 |
MMRR
| Mid-Michigan Railroad Incorporated | 4 |
MP
| Missouri Pacific | 8 |
MRMX
| Midwest Railcar Corporation | 2 |
MWCX
| Midwest Railcar Corporation | 3 |
NS
| Norfolk Southern | 219 |
NW
| Norfolk & Western | 9 |
NYC
| New York Central | 24 |
PC
| Penn Central | 1 |
PSMX
| Esco Corporation | 2 |
RMMX
| Andersons - Railgroup | 10 |
SIRX
| Southern Illinois Railcar Company | 8 |
SOU
| Southern | 227 |
SP
| Southern Pacific | 1 |
SRAX
| Southern Rail Associates | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
UP
| Union Pacific Railroad Company | 3 |
WCOR
| Wellsboro and Corning Railroad Company | 3 |