ABOX
| TTX Company | 2 |
ATW
| Atlantic and Western | 4 |
BKTY
| Union Pacific Railroad Company | 1 |
CIC
| Cedar Rapids & Iowa City | 3 |
CNW
| Chicago & Northwestern | 1 |
CP
| Canadian Pacific Railway | 1 |
KCS
| Kansas City Southern | 1 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 4 |
MILW
| Milwaukee Road | 1 |
MQT
| Marquette Rail | 3 |
MRMX
| Midwest Railcar Corporation | 26 |
MWCX
| Midwest Railcar Corporation | 1 |
NS
| Norfolk Southern | 1 |
PSMX
| Esco Corporation | 46 |
RBOX
| Railbox Company | 2 |
SP
| Southern Pacific | 1 |
SSOR
| Sisseton Southern Railway Company | 1 |
TBOX
| TTX Company | 15 |
WRWK
| Providence & Worchester Railroad | 1 |