ATSF
| Atchison Topeka & Santa Fe | 1 |
BLE
| Bessemer & Lake Erie | 1 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 4 |
CBQ
| Chicago Burlington & Quincy | 1 |
CNW
| Chicago & Northwestern | 2 |
CSX
| CSX Railroad | 1 |
DRGW
| Denver & Rio Grande Western | 1 |
MP
| Missouri Pacific | 2 |
NYC
| New York Central | 2 |
RBMN
| Reading Blue Mountain & Northern | 1 |
UP
| Union Pacific Railroad Company | 3 |