CN
| Canadian National Railways | 3 |
CP
| Canadian Pacific Railway | 2 |
CR
| Conrail | 12 |
CSX
| CSX Railroad | 2 |
EL
| Erie Lackawanna | 5 |
HESR
| Huron and Eastern | 6 |
HZGX
| Herzog Contracting Corporation | 13 |
METX
| METRA | 2 |
MGA
| Monongahela RR | 1 |
MQT
| Marquette Rail | 1 |
NYC
| New York Central | 3 |