AOK
| Arkansas-Oklahoma Railroad | 1 |
ATSF
| Atchison Topeka & Santa Fe | 2 |
ATW
| Atlantic and Western | 1 |
BM
| Boston & Maine | 5 |
BN
| Burlington Northern | 1 |
BO
| Baltimore & Ohio | 18 |
CBQ
| Chicago Burlington & Quincy | 3 |
CGW
| Chicago Great Western | 11 |
CIM
| Chicago And Illinois Midland | 7 |
CNW
| Chicago & Northwestern | 40 |
CRDX
| Chicago Freight Car Leasing Company | 11 |
CRIP
| Chicago Rock Island & Pacific | 6 |
CSX
| CSX Railroad | 1 |
DOT
| DOT | 1 |
DOTX
| USDOT/Federal Railroad Administration | 4 |
DRGW
| Denver & Rio Grande Western | 3 |
EEC
| East Erie Commercial Railroad | 1 |
EVEX
| EVEX | 10 |
GMO
| Gulf Mobile & Ohio | 4 |
IC
| Illinois Central | 7 |
IRYM
| Illinois Railway Museum | 2 |
KCS
| Kansas City Southern | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 7 |
MILW
| Milwaukee Road | 12 |
MNS
| Minneapolis Northfield & Southern | 10 |
MP
| Missouri Pacific | 1 |
NOKL
| Northwestern Oklahoma | 11 |
NP
| Northern Pacific | 2 |
PFE
| Pacific Fruit Express | 1 |
PRR
| Pennsylvania Railroad | 9 |
QOCX
| Quaker Oats Company | 2 |
RBBQ
| Chicago, Burlington and Quincy Reefers | 1 |
SOO
| Soo Line | 23 |
TBOX
| TTX Company | 2 |
TCAX
| General Electric Rail Services | 4 |
TOE
| Texas Oklahoma and Eastern RR Company | 2 |
UP
| Union Pacific Railroad Company | 5 |
WAB
| Wabash | 2 |
WC
| Wisconsin Central | 3 |
WFRX
| WELLS FARGO RAIL CORPORATION | 1 |