AWXX
| East Carbon development Company | 1 |
ECXX
| East Carbon Development Company | 1 |
KWUX
| Siemens Power Corporation | 2 |
MTTX
| TTX Company | 1 |
OTTX
| TTX Company | 3 |
QTTX
| TTX Company | 5 |
RBBX
| Ringling Bros. and Barnum and Bailey | 20 |
TTHX
| TTX Company - Flat Cars | 1 |
TZPR
| Tazewell & Peoria Railroad | 1 |