AA
| Ann Arbor | 24 |
AC
| Algoma Central | 3 |
ACL
| Atlantic Coast Line | 7 |
ADBF
| Adrian and Blissfield Rail Road Company | 12 |
ADIX
| Adirondack Railway Preservation Society | 2 |
ALAB
| Alabama Railroad | 5 |
ARTX
| Artrain | 1 |
ATSF
| Atchison Topeka & Santa Fe | 26 |
BCGA
| BCGA | 1 |
BLE
| Bessemer & Lake Erie | 3 |
BN
| Burlington Northern | 22 |
BNSF
| BNSF Railway | 1 |
BO
| Baltimore & Ohio | 88 |
BOCT
| CSX Transportation (Baltimore & Ohio Chicago Terminal Railro | 1 |
BRC
| Belt Railway of Chicago | 2 |
BSV
| BSV | 1 |
BWLX
| Lansing Board of Power & Light | 4 |
BYCX
| Chelatchie Prairie Railroad | 3 |
CBQ
| Chicago Burlington & Quincy | 23 |
CC
| Chicago Central & Pacific | 1 |
CCO
| Clinchfield | 1 |
CCSR
| CCSR | 1 |
CEI
| Chicago & Eastern Illinois | 1 |
CG
| Central Of Georgia | 2 |
CGW
| Chicago Great Western | 4 |
CI
| Cambria and Indiana Railroad Company | 1 |
CIL
| Chicago Indianapolis & Louisville (Monon | 14 |
CIM
| Chicago And Illinois Midland | 2 |
CIND
| Central RR of Indiana | 1 |
CKIN
| Chesapeke & Indiana | 2 |
CLK
| Cadillac & Lake City | 1 |
CN
| Canadian National Railways | 4 |
CNSM
| CHICAGO NORTH SHORE & MILWAUKEE RWY | 4 |
CNW
| Chicago & Northwestern | 29 |
CO
| Chesapeake & Ohio | 161 |
CP
| Canadian Pacific Railway | 2 |
CPLE
| CPLE | 1 |
CPMY
| Coopersville & Marne Railway | 1 |
CR
| Conrail | 55 |
CRIP
| Chicago Rock Island & Pacific | 14 |
CRRX
| Canon City and Royal Gorge Railroad LLC | 1 |
CS
| Colorado & Southern | 2 |
CSS
| Chicago South Shore And South Bend | 21 |
CSX
| CSX Railroad | 7 |
CV
| Central Vermont | 5 |
DH
| Delaware & Hudson | 4 |
DIM
| DIM | 1 |
DM
| Detroit & Mackinac | 9 |
DMIR
| Duluth Missabe & Iron Range | 8 |
DRG
| DRG | 1 |
DRGW
| Denver & Rio Grande Western | 15 |
DSL
| Denver & Salt Lake | 1 |
DTI
| Detroit Toledo & Ironton | 17 |
DTSL
| Detroit & Toledo Shore Line | 7 |
DWP
| Duluth Winnipeg & Pacific | 5 |
EBT
| East Broad Top | 3 |
EJE
| Elgin Joliet and Eastern | 19 |
EL
| Erie Lackawanna | 6 |
EPTC
| East Portland Traction | 1 |
ERIE
| Erie Railroad | 18 |
FJR
| FJR | 2 |
FLNX
| R.P. Flynn Incorporated d/b/a Ohio Railway Supply | 1 |
GDLK
| GDLK | 12 |
GLLX
| Great Lakes Locomotive | 1 |
GMO
| Gulf Mobile & Ohio | 3 |
GN
| Great Northern | 4 |
GTW
| Grand Trunk Western | 152 |
GWR
| Great Western Railway Company | 2 |
HBRR
| Huckleberry Railroad | 2 |
HBTM
| HBTM | 3 |
HVRX
| Heber Valley Historic Railroad | 1 |
IBCX
| Indiana Box Car Corporation | 1 |
IC
| Illinois Central | 26 |
ICG
| Illinois Central Gulf | 14 |
IHB
| Indiana Harbor Belt | 1 |
IOCR
| Indiana and Ohio Central Railroad | 1 |
IORY
| Indiana & Ohio | 3 |
ITC
| Illinois Terminal Railroad | 3 |
KCC
| KCC | 1 |
LI
| Long Island Rail Road Company | 1 |
LIRR
| Long Island Railroad | 1 |
LN
| Louisville & Nashville | 30 |
LNE
| Lehigh and New England Ry | 2 |
LNO
| Laona and Northern Rwy | 2 |
LRR
| Little River Railroad | 11 |
LSI
| Lake Superior and Ishpeming Railroad | 6 |
LSMS
| Lake Shore Michigan Southern Railroad | 2 |
LSX
| LSX | 1 |
LV
| Lehigh Valley | 2 |
MCRR
| Monongahela Connecting RR Company | 1 |
METX
| METRA | 2 |
MGA
| Monongahela RR | 9 |
MILW
| Milwaukee Road | 17 |
MKT
| Missouri-Kansas-Texas | 1 |
MON
| Monon Route | 15 |
MP
| Missouri Pacific | 7 |
MPEX
| Motive Power Industries | 1 |
MRL
| Montana Rail Link | 1 |
MSO
| Michigan Southern | 5 |
MTR
| Montour RR | 3 |
NCSL
| Nashville Chattanooga & St Louis | 2 |
NH
| New Haven | 2 |
NJT
| New Jersey Transit | 1 |
NKP
| Nickel Plate | 28 |
NP
| Northern Pacific | 12 |
NS
| Norfolk Southern | 9 |
NW
| Norfolk & Western | 60 |
NYC
| New York Central | 34 |
OCSR
| OCSR | 1 |
OCTL
| Oil Creek and Titusville Lines | 15 |
OE
| Oregon Electric | 1 |
OPR
| Oregon Pacific | 4 |
PC
| Penn Central | 20 |
PHD
| Port Huron and Detroit Railroad Company | 4 |
PLE
| Pittsburgh & Lake Erie | 2 |
PM
| Pere Marquette | 57 |
PNWC
| PNWC | 1 |
PREX
| Pioneer Rail Equipment | 2 |
PRR
| Pennsylvania Railroad | 51 |
PS
| Pittsburg and Shawmut Railroad Company | 2 |
RBMN
| Reading Blue Mountain & Northern | 5 |
RDG
| Reading Railroad | 2 |
RFP
| Richmond Fredericksburg & Potomac | 2 |
RGS
| Rio Grande Southern | 3 |
RI
| RI | 2 |
RJCR
| RJ Corman | 8 |
RPCX
| Railroad Passenger Car Numbering Bureau | 4 |
SA
| Savannah & Atlanta | 1 |
SAL
| Seaboard Air Line | 2 |
SBD
| Seaboard System | 6 |
SCL
| Seaboard Coast Line | 10 |
SCS
| SCS | 3 |
SFS
| Santa Fe Southern | 2 |
SMRS
| Springfield (MO) Railway Services | 12 |
SOO
| Soo Line | 9 |
SOU
| Southern | 24 |
SP
| Southern Pacific | 16 |
SPS
| Spokane Portland & Seattle | 9 |
STC
| STC | 2 |
SW
| Southwestern Railroad Company | 1 |
TART
| TART | 3 |
TCRX
| Tennessee Central Railway Musem | 1 |
TPW
| Toledo Peoria & Western | 4 |
TT
| Toledo Terminal | 1 |
UCRY
| Utah Central | 1 |
UP
| Union Pacific Railroad Company | 42 |
VGNX
| VGNX | 1 |
WAB
| Wabash | 16 |
WLE
| WLE | 8 |
WPRR
| Willamette and Pacific | 1 |
WPYR
| White Pass & Yukon Route | 2 |
WRL
| WRL | 1 |
WVRR
| Whitewater Valley Railroad | 1 |
XRSX
| XRSX | 2 |