APTX
| Air Products and Chemicals Incorporated | 1 |
ATSF
| Atchison Topeka & Santa Fe | 2 |
CP
| Canadian Pacific Railway | 1 |
CR
| Conrail | 2 |
CSX
| CSX Railroad | 2 |
EL
| Erie Lackawanna | 1 |
KRL
| Kasgro Rail Lines | 1 |
LV
| Lehigh Valley | 1 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 1 |
NS
| Norfolk Southern | 1 |
NW
| Norfolk & Western | 1 |
SBD
| Seaboard System | 1 |
TVRM
| Tennessee Valley | 1 |