ACL
| Atlantic Coast Line | 2 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BN
| Burlington Northern | 1 |
BO
| Baltimore & Ohio | 1 |
CG
| Central Of Georgia | 1 |
CN
| Canadian National Railways | 1 |
CO
| Chesapeake & Ohio | 1 |
CR
| Conrail | 1 |
CSX
| CSX Railroad | 5 |
GEGX
| GE Gas Turbine | 1 |
GSWR
| Georgia Southwestern | 2 |
GTW
| Grand Trunk Western | 1 |
KRL
| Kasgro Rail Lines | 1 |
LN
| Louisville & Nashville | 1 |
MILW
| Milwaukee Road | 1 |
NS
| Norfolk Southern | 1 |
NW
| Norfolk & Western | 1 |
NYC
| New York Central | 1 |