ATTX
| TTX Company - Container Flats | 3 |
BLHX
| SMBC RAIL SERVICES LLC | 1 |
BTCX
| Browner Turnout Company | 4 |
CN
| Canadian National Railways | 4 |
CO
| Chesapeake & Ohio | 1 |
CP
| Canadian Pacific Railway | 1 |
CR
| Conrail | 4 |
CSS
| Chicago South Shore And South Bend | 7 |
CSX
| CSX Railroad | 16 |
CWRO
| Cleveland Works Rail Operations | 2 |
FRR
| Falls Road Railroad Company Incorporated | 2 |
FTTX
| TTX Company | 10 |
GIMX
| General American Marks Company | 2 |
GPSX
| Georgia-Pacific Corporation Eastern Wood Products Mfg.Divisi | 1 |
GTW
| Grand Trunk Western | 1 |
HTTX
| TTX Company | 2 |
ITTX
| TTX Company | 19 |
LBR
| Lowville and Beaver River Railroad Compa | 1 |
LMIC
| Lake Michigan & Indiana Railroad | 1 |
MTTX
| TTX Company | 6 |
NS
| Norfolk Southern | 3 |
NYC
| New York Central | 5 |
OTTX
| TTX Company | 5 |
PTTX
| TTX Company | 3 |
QUAX
| Redstreak, LLC | 1 |
RBBX
| Ringling Bros. and Barnum and Bailey | 18 |
RTTX
| TTX Company | 1 |
SBD
| Seaboard System | 2 |
SPSX
| Progress Rail Services Corp | 2 |
TTEX
| TTX Company - Articulated Flat Cars (TOFC/COFC) | 2 |
TTHX
| TTX Company - Flat Cars | 1 |
TTMX
| TTX Company | 8 |
TTXX
| TTX Company | 19 |
TZPR
| Tazewell & Peoria Railroad | 1 |
UP
| Union Pacific Railroad Company | 1 |
VTTX
| TTX Company | 2 |