AMTK
| Amtrak | 18 |
ATAX
| Arizona Transit Assembly | 2 |
BMRG
| Blue Mountain & Reading | 2 |
CFRC
| CFRC | 1 |
CMRR
| Catskill Mountain Scenic | 2 |
CN
| Canadian National Railways | 3 |
CNJ
| Central Rail Road of New Jersey | 2 |
CO
| Chesapeake & Ohio | 1 |
CSX
| CSX Railroad | 5 |
EV
| Everett Railroad | 2 |
GMRC
| Green Mountain RR | 2 |
HRS
| Holidaysburg and Roaring Spring Railroad Company | 1 |
MARC
| Maryland Transit Administration | 1 |
MBTA
| Massachusetts Bay Transit Authority | 1 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 1 |
MPA
| Maryland and Pennsylvania Railroad | 2 |
NHIR
| New Hope & Ivyland | 11 |
NJT
| New Jersey Transit | 16 |
NS
| Norfolk Southern | 4 |
NYC
| New York Central | 1 |
NYSW
| New York Susquehanna & Western | 1 |
PPCX
| AAPRCO Register Private Cars | 4 |
PRR
| Pennsylvania Railroad | 3 |
RBBX
| Ringling Bros. and Barnum and Bailey | 5 |
RBMN
| Reading Blue Mountain & Northern | 6 |
RDG
| Reading Railroad | 1 |
SRC
| Strasburg Railroad | 5 |
UPP
| Union Pacific Passenger | 7 |