AWXX
| East Carbon development Company | 1 |
CSX
| CSX Railroad | 18 |
GBW
| Green Bay & Western | 1 |
GEGX
| GE Gas Turbine | 4 |
ITTX
| TTX Company | 1 |
KRL
| Kasgro Rail Lines | 5 |
MNCW
| Metro-North Commuter Railroad | 1 |
OTTX
| TTX Company | 3 |
QTTX
| TTX Company | 1 |
RBBX
| Ringling Bros. and Barnum and Bailey | 1 |