AOK
| Arkansas-Oklahoma Railroad | 2 |
ATTX
| TTX Company - Container Flats | 1 |
BN
| Burlington Northern | 1 |
CNW
| Chicago & Northwestern | 1 |
CP
| Canadian Pacific Railway | 1 |
CSX
| CSX Railroad | 15 |
DODX
| Department Of Defense | 4 |
GPSX
| Georgia-Pacific Corporation Eastern Wood Products Mfg.Divisi | 1 |
HTTX
| TTX Company | 1 |
ICE
| Iowa Chicago and Eastern | 8 |
ITTX
| TTX Company | 3 |
KRL
| Kasgro Rail Lines | 17 |
LMIC
| Lake Michigan & Indiana Railroad | 1 |
LSRC
| Lake State Railway Company | 3 |
MTTX
| TTX Company | 1 |
OHCR
| Ohio Central | 1 |
OTTX
| TTX Company | 1 |
PRR
| Pennsylvania Railroad | 4 |
PTDX
| ABB Power T and D Company Incorporated | 3 |
PTTX
| TTX Company | 6 |
QTTX
| TTX Company | 17 |
QUAX
| Redstreak, LLC | 1 |
RBBX
| Ringling Bros. and Barnum and Bailey | 20 |
SOU
| Southern | 1 |
TTHX
| TTX Company - Flat Cars | 1 |
WSOR
| Wisconsin & Southern | 1 |