AMTK
| Amtrak | 7 |
CN
| Canadian National Railways | 2 |
CP
| Canadian Pacific Railway | 2 |
CR
| Conrail | 1 |
CSX
| CSX Railroad | 1 |
DCLR
| Delaware Coast Line RR Co | 2 |
FTSX
| Fairmont Tamper | 19 |
GREX
| Georgetown Rail Equipment Company | 1 |
HZGX
| Herzog Contracting Corporation | 1 |
LBFX
| L B Foster Co | 29 |
NJT
| New Jersey Transit | 3 |
NJTR
| NJ Transit Rail Operations | 2 |
NS
| Norfolk Southern | 111 |
NW
| Norfolk & Western | 66 |
PC
| Penn Central | 2 |
SOU
| Southern | 9 |