AA
| Ann Arbor | 1 |
ACL
| Atlantic Coast Line | 2 |
ADBF
| Adrian and Blissfield Rail Road Company | 2 |
ADN
| Ashley Drew & Northern | 4 |
AMHR
| Landisville Railroad Incorporated | 2 |
ATLT
| Austin Todd and Ladd Railroad Company | 1 |
ATSF
| Atchison Topeka & Santa Fe | 27 |
BB
| Buckingham Branch | 3 |
BCSX
| Buckeye Central Scenic Railroad | 1 |
BN
| Burlington Northern | 11 |
BO
| Baltimore & Ohio | 79 |
BRP
| BRP | 4 |
CBQ
| Chicago Burlington & Quincy | 3 |
CG
| Central Of Georgia | 1 |
CIND
| Central RR of Indiana | 2 |
CKRY
| Central Kansas Railway Incorporated | 1 |
CN
| Canadian National Railways | 2 |
CNJ
| Central Rail Road of New Jersey | 2 |
CNW
| Chicago & Northwestern | 1 |
CO
| Chesapeake & Ohio | 81 |
COPR
| COPR | 1 |
CP
| Canadian Pacific Railway | 2 |
CPR
| Canadian Pacific Railway | 2 |
CR
| Conrail | 39 |
CRIP
| Chicago Rock Island & Pacific | 3 |
CS
| Colorado & Southern | 4 |
CSX
| CSX Railroad | 10 |
CV
| Central Vermont | 2 |
DH
| Delaware & Hudson | 1 |
DRGW
| Denver & Rio Grande Western | 1 |
DTI
| Detroit Toledo & Ironton | 5 |
DTSL
| Detroit & Toledo Shore Line | 1 |
DWP
| Duluth Winnipeg & Pacific | 2 |
EJE
| Elgin Joliet and Eastern | 5 |
EL
| Erie Lackawanna | 8 |
ERIE
| Erie Railroad | 10 |
GMO
| Gulf Mobile & Ohio | 1 |
GMRY
| Great Miami | 5 |
GN
| Great Northern | 2 |
GTW
| Grand Trunk Western | 2 |
IBCX
| Indiana Box Car Corporation | 2 |
IC
| Illinois Central | 2 |
ICG
| Illinois Central Gulf | 5 |
IOCR
| Indiana and Ohio Central Railroad | 3 |
KCS
| Kansas City Southern | 1 |
LN
| Louisville & Nashville | 11 |
LV
| Lehigh Valley | 2 |
MKT
| Missouri-Kansas-Texas | 4 |
MP
| Missouri Pacific | 35 |
NKP
| Nickel Plate | 17 |
NS
| Norfolk Southern | 19 |
NW
| Norfolk & Western | 48 |
NYC
| New York Central | 2 |
OHCR
| Ohio Central | 11 |
PAL
| Paducah & Louisville | 1 |
PC
| Penn Central | 17 |
PRR
| Pennsylvania Railroad | 31 |
PWV
| Pittsburgh & West Virginia | 1 |
RCPX
| Railcar Limited | 1 |
RDG
| Reading Railroad | 3 |
RFP
| Richmond Fredericksburg & Potomac | 1 |
RI
| RI | 2 |
RJ
| RJ | 1 |
SAL
| Seaboard Air Line | 1 |
SBD
| Seaboard System | 6 |
SCL
| Seaboard Coast Line | 7 |
SLSF
| Saint Louis-San Francisco | 1 |
SOO
| Soo Line | 6 |
SOU
| Southern | 14 |
SP
| Southern Pacific | 6 |
SSW
| St Louis Southwestern (Cotton Belt) | 8 |
TPW
| Toledo Peoria & Western | 1 |
TSE
| Texas South-Eastern Railroad Company | 1 |
TTR
| Talleyrand Terminal Railroad Company | 3 |
UP
| Union Pacific Railroad Company | 23 |
VGN
| Virginian Railway | 2 |
WAB
| Wabash | 1 |
WE
| Wheeling & Lake Erie | 9 |
WP
| Western Pacific | 4 |
WSX
| Wierton Steel Division National Steel Co | 5 |
ZWSX
| Zanesville & Western | 2 |