AEFR
| Aurora Elgin and Fox River Electric | 1 |
BN
| Burlington Northern | 3 |
CNSM
| CHICAGO NORTH SHORE & MILWAUKEE RWY | 5 |
CNW
| Chicago & Northwestern | 15 |
CRIP
| Chicago Rock Island & Pacific | 7 |
CTA
| Chicago Transit Authority | 8 |
CWI
| Chicago and Western Indiana | 35 |
IRYM
| Illinois Railway Museum | 35 |
JTTX
| TTX Company | 3 |
METX
| METRA | 2 |
MSTL
| Minneapolis & St Louis | 7 |
NKP
| Nickel Plate | 1 |
NYC
| New York Central | 4 |
QTTX
| TTX Company | 9 |
TMER
| TMER | 7 |
TTHX
| TTX Company - Flat Cars | 1 |
TTX
| TTX Company | 4 |
UP
| Union Pacific Railroad Company | 3 |
USAX
| United States Army | 3 |
WPL
| WPL | 3 |