CSX
| CSX Railroad | 1 |
DTS
| Detroit & Toledo ShoreLine | 1 |
FEC
| Florida East Coast | 1 |
FTTX
| TTX Company | 1 |
GVSR
| Galveston Railroad L.P. | 1 |
ITTX
| TTX Company | 1 |
LNAL
| Louisville New Albany and Corydon Railroad | 1 |
NS
| Norfolk Southern | 1 |
OTTX
| TTX Company | 2 |
RFP
| Richmond Fredericksburg & Potomac | 1 |
RTTX
| TTX Company | 4 |
TTHX
| TTX Company - Flat Cars | 2 |
WE
| Wheeling & Lake Erie | 1 |