ACL
| Atlantic Coast Line | 25 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BLE
| Bessemer & Lake Erie | 1 |
BN
| Burlington Northern | 4 |
BO
| Baltimore & Ohio | 5 |
CCO
| Clinchfield | 4 |
CG
| Central Of Georgia | 7 |
CMO
| Chicago St Paul Minneapolis & Omaha | 1 |
CO
| Chesapeake & Ohio | 8 |
CPR
| Canadian Pacific Railway | 7 |
CR
| Conrail | 4 |
CRR
| Clinchfield | 4 |
CSX
| CSX Railroad | 41 |
DODX
| Department Of Defense | 1 |
DUPX
| Du Pont De Nemours and Company Incorporated | 1 |
FCEN
| Florida Central | 5 |
GA
| Georgia Railroad | 3 |
GC
| Georgia Central | 1 |
GMO
| Gulf Mobile & Ohio | 1 |
GRLW
| Greenville & Western Railway Company, LLC | 1 |
HOG
| Heart of Georgia | 1 |
ICG
| Illinois Central Gulf | 3 |
IR
| Illinois Railnet | 1 |
JNSX
| JNS Marketing Company Coastline Rail Service Division | 1 |
LDRR
| Louisiana and Delta Railroad Incorporated | 1 |
LN
| Louisville & Nashville | 14 |
MAMX
| Mammoet USA, Inc | 2 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 2 |
MP
| Missouri Pacific | 3 |
MPCX
| Michels Corporation | 1 |
NCSL
| Nashville Chattanooga & St Louis | 2 |
NKP
| Nickel Plate | 1 |
NS
| Norfolk Southern | 1 |
NW
| Norfolk & Western | 3 |
PHNX
| Phn Llc | 1 |
PRR
| Pennsylvania Railroad | 1 |
RHSX
| CentralNew York Chapter NRHS | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 2 |
RTEX
| Rail Trusts Equipment Incorporated | 1 |
SAL
| Seaboard Air Line | 8 |
SAN
| Sandersville | 1 |
SBD
| Seaboard System | 25 |
SCL
| Seaboard Coast Line | 41 |
SM
| St. Marys Railroad | 3 |
SOO
| Soo Line | 5 |
SOU
| Southern | 35 |
TEG
| TEG | 2 |
TFTX
| Tifton Terminal Railway Museum | 1 |
TWLX
| TWLX | 1 |
UP
| Union Pacific Railroad Company | 1 |
WM
| Western Maryland | 1 |
WT
| Wrightsville & Tennille | 1 |