ATSF
| Atchison Topeka & Santa Fe | 1 |
BN
| Burlington Northern | 4 |
BO
| Baltimore & Ohio | 1 |
BRC
| Belt Railway of Chicago | 5 |
CN
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 5 |
CP
| Canadian Pacific Railway | 1 |
CRDX
| Chicago Freight Car Leasing Company | 1 |
CRIP
| Chicago Rock Island & Pacific | 1 |
HZGX
| Herzog Contracting Corporation | 10 |
IAIS
| Iowa Interstate | 3 |
IC
| Illinois Central | 1 |
ITGX
| Andersons - Railgroup | 2 |
LGEX
| L.G. Everist Incorporated | 4 |
NIRC
| NIRC | 1 |
PC
| Penn Central | 1 |
RI
| RI | 1 |
UP
| Union Pacific Railroad Company | 23 |
WHMX
| Miner Enterprises | 1 |