AMTK
| Amtrak | 1 |
BO
| Baltimore & Ohio | 1 |
CHES
| CHES | 1 |
CL
| CL | 1 |
CN
| Canadian National Railways | 6 |
CO
| Chesapeake & Ohio | 3 |
CP
| Canadian Pacific Railway | 3 |
CR
| Conrail | 7 |
CSX
| CSX Railroad | 109 |
CVSR
| Cuyahoga Valley Scenic RR | 4 |
CWRX
| CWR TRANSPORTATION CO. | 2 |
DC
| Delray Connecting Railroad Company | 4 |
DLW
| Delaware Lackawanna & Western | 1 |
EL
| Erie Lackawanna | 3 |
ERIE
| Erie Railroad | 2 |
ET
| ET | 1 |
HBC
| HBC | 6 |
HZGX
| Herzog Contracting Corporation | 10 |
IBC
| IBC | 1 |
KBR
| KBR | 1 |
LBFX
| L B Foster Co | 1 |
LMIX
| Loram Maintenance of Way Inc. | 8 |
MP
| Missouri Pacific | 1 |
MPCX
| Michels Corporation | 1 |
NKP
| Nickel Plate | 1 |
NS
| Norfolk Southern | 49 |
NW
| Norfolk & Western | 10 |
NYC
| New York Central | 1 |
ORHC
| Orrville Railway Historical Society | 1 |
PRSX
| Progress Rail Service | 3 |
QNSL
| Quebec, North Shore and Labrador | 2 |
RKCX
| Knox Kershaw Incorporated | 10 |
RMSX
| Pandrol Jackson Incorporated | 4 |
RWCX
| RWC Incorporated | 5 |
SOU
| Southern | 5 |
SPSX
| Progress Rail Services Corp | 2 |
SRS
| Sperry Rail Service | 24 |
TC
| Temple & Central Texas | 1 |
UP
| Union Pacific Railroad Company | 3 |
USA
| USA | 2 |
VMTX
| VMTX | 1 |
WE
| Wheeling & Lake Erie | 22 |
WN
| WN | 2 |