ATSF
| Atchison Topeka & Santa Fe | 20 |
BN
| Burlington Northern | 20 |
BNSF
| BNSF Railway | 1 |
BRC
| Belt Railway of Chicago | 4 |
CBQ
| Chicago Burlington & Quincy | 4 |
CKSR
| CKSR | 1 |
CNW
| Chicago & Northwestern | 3 |
CRIP
| Chicago Rock Island & Pacific | 23 |
CSS
| Chicago South Shore And South Bend | 2 |
DODX
| Department Of Defense | 3 |
DTI
| Detroit Toledo & Ironton | 1 |
EJE
| Elgin Joliet and Eastern | 2 |
GN
| Great Northern | 3 |
GWWR
| Gateway Western | 2 |
IAIS
| Iowa Interstate | 2 |
IHB
| Indiana Harbor Belt | 5 |
IMRL
| I&M Rail Link | 1 |
KCS
| Kansas City Southern | 2 |
METX
| METRA | 1 |
MILW
| Milwaukee Road | 1 |
MKT
| Missouri-Kansas-Texas | 1 |
MP
| Missouri Pacific | 9 |
NYC
| New York Central | 1 |
SCIH
| South Chicago & Indiana Harbor Railway C | 1 |
SOO
| Soo Line | 10 |
TRRA
| Terminal RR of St Louis | 1 |
UP
| Union Pacific Railroad Company | 8 |