AMTK
| Amtrak | 8 |
LI
| Long Island Rail Road Company | 12 |
MARC
| Maryland Transit Administration | 2 |
MTA
| NYC Transit | 1 |
NJT
| New Jersey Transit | 3 |
PPCX
| AAPRCO Register Private Cars | 6 |
RBBX
| Ringling Bros. and Barnum and Bailey | 5 |
RRBX
| Rampart Range Corporation | 1 |
SRR
| SRR | 1 |