ATSF
| Atchison Topeka & Santa Fe | 2 |
BM
| Boston & Maine | 1 |
BNSF
| BNSF Railway | 2 |
CBQ
| Chicago Burlington & Quincy | 3 |
CN
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 10 |
CSX
| CSX Railroad | 1 |
CTRN
| Union Pacific Railroad Company | 1 |
DRGW
| Denver & Rio Grande Western | 3 |
EL
| Erie Lackawanna | 2 |
GACX
| General American Marks Company | 9 |
GALX
| Georgia Power Company | 2 |
LBR
| Lowville and Beaver River Railroad Compa | 4 |
MP
| Missouri Pacific | 4 |
NLRX
| NLRX | 6 |
NS
| Norfolk Southern | 8 |
RBMN
| Reading Blue Mountain & Northern | 5 |
SOU
| Southern | 5 |
UP
| Union Pacific Railroad Company | 1 |