ACL
| Atlantic Coast Line | 1 |
AMTK
| Amtrak | 13 |
ATSF
| Atchison Topeka & Santa Fe | 43 |
BHC
| Black Hills Central | 2 |
BN
| Burlington Northern | 2 |
BRW
| Black River And Western | 2 |
CBQ
| Chicago Burlington & Quincy | 15 |
CNW
| Chicago & Northwestern | 2 |
CP
| Canadian Pacific Railway | 1 |
CRIP
| Chicago Rock Island & Pacific | 5 |
CRRX
| Canon City and Royal Gorge Railroad LLC | 1 |
CS
| Colorado & Southern | 12 |
CSS
| Chicago South Shore And South Bend | 2 |
CVL
| CUYHOGA VALLEY LINE RAILROAD | 2 |
DRG
| DRG | 3 |
DRGW
| Denver & Rio Grande Western | 15 |
EL
| Erie Lackawanna | 1 |
GBW
| Green Bay & Western | 1 |
GMO
| Gulf Mobile & Ohio | 3 |
GN
| Great Northern | 14 |
HIC
| HIC | 1 |
IC
| Illinois Central | 4 |
LN
| Louisville & Nashville | 1 |
MILW
| Milwaukee Road | 3 |
MNZX
| MNZX | 2 |
MP
| Missouri Pacific | 1 |
MRLX
| Mid America Rail Car Leasing | 1 |
NJT
| New Jersey Transit | 1 |
NKP
| Nickel Plate | 1 |
NP
| Northern Pacific | 9 |
NW
| Norfolk & Western | 1 |
NYC
| New York Central | 7 |
OE
| Oregon Electric | 2 |
PRR
| Pennsylvania Railroad | 3 |
SAL
| Seaboard Air Line | 1 |
SLRG
| San Luis and Rio Grande Railroad | 1 |
SLSF
| Saint Louis-San Francisco | 1 |
SOU
| Southern | 4 |
SP
| Southern Pacific | 13 |
UP
| Union Pacific Railroad Company | 28 |
UPP
| Union Pacific Passenger | 5 |
USAX
| United States Army | 2 |
VSPS
| VSPS | 1 |
WC
| Wisconsin Central | 2 |
WP
| Western Pacific | 2 |