ATSF
| Atchison Topeka & Santa Fe | 2 |
CN
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 8 |
GECX
| General Electric Company | 1 |
INLX
| Incoal Company | 7 |
ISCX
| ISC Incorporated | 2 |
SBD
| Seaboard System | 1 |
SOO
| Soo Line | 1 |
UPP
| Union Pacific Passenger | 1 |
WC
| Wisconsin Central | 4 |