CNW
| Chicago & Northwestern | 4 |
GREX
| Georgetown Rail Equipment Company | 1 |
HZGX
| Herzog Contracting Corporation | 3 |
NS
| Norfolk Southern | 5 |
NSRX
| Railroading Heritage Of Midwest America | 1 |
SOU
| Southern | 1 |
SPMW
| Southern Pacific Maintenance of Way | 2 |
WP
| Western Pacific | 2 |