ATSF
| Atchison Topeka & Santa Fe | 1 |
BM
| Boston & Maine | 9 |
CNJ
| Central Rail Road of New Jersey | 5 |
ERIE
| Erie Railroad | 5 |
GTW
| Grand Trunk Western | 1 |
LHR
| Lehigh & Hudson River | 2 |
MKT
| Missouri-Kansas-Texas | 2 |
MP
| Missouri Pacific | 1 |
PRSL
| Pennsylvania Reading Seashore | 4 |
SOU
| Southern | 1 |
SP
| Southern Pacific | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 5 |
TP
| Texas & Pacific | 1 |