AC
| Algoma Central | 2 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BN
| Burlington Northern | 2 |
CGW
| Chicago Great Western | 2 |
CH
| Calumet & Hecla | 1 |
CNW
| Chicago & Northwestern | 1 |
CR
| Conrail | 4 |
CS
| Colorado & Southern | 1 |
HVSR
| Hocking Valley Scenic | 2 |
IN
| Indiana Northeastern | 1 |
MHWA
| Mohawk Adirondack and Northern Railroad | 1 |
NP
| Northern Pacific | 1 |
NW
| Norfolk & Western | 2 |
NYC
| New York Central | 3 |
QC
| Quebec Central | 3 |
TSBY
| Great Lakes Central Railroad | 1 |
UP
| Union Pacific Railroad Company | 12 |
WC
| Wisconsin Central | 1 |
WNYP
| Western New York and Pennsylvania | 2 |