AKS
| AK Steel | 20 |
AOK
| Arkansas-Oklahoma Railroad | 1 |
ATTX
| TTX Company - Container Flats | 2 |
AWXX
| East Carbon development Company | 1 |
BEDX
| BEDX | 1 |
BPRR
| Buffalo and Pittsburgh | 3 |
CANX
| CANAC International | 1 |
CITX
| CIT Group/Capital Finance, Inc | 4 |
CN
| Canadian National Railways | 4 |
CNA
| Canadian National Railways | 2 |
CP
| Canadian Pacific Railway | 9 |
CR
| Conrail | 7 |
DH
| Delaware & Hudson | 2 |
DL
| Delaware-Lackawanna Railroad Company | 1 |
DODX
| Department Of Defense | 3 |
EBT
| East Broad Top | 3 |
ECXX
| East Carbon Development Company | 34 |
EL
| Erie Lackawanna | 1 |
FEC
| Florida East Coast | 64 |
FRR
| Falls Road Railroad Company Incorporated | 1 |
FTTX
| TTX Company | 5 |
GADX
| SAB Trucking, Inc | 8 |
GIMX
| General American Marks Company | 82 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
GTW
| Grand Trunk Western | 4 |
HTTX
| TTX Company | 19 |
ICE
| Iowa Chicago and Eastern | 7 |
ITTX
| TTX Company | 11 |
JESX
| James E Strates Shows | 12 |
JTTX
| TTX Company | 1 |
KKRR
| Knox and Kane Railroad Company | 1 |
KRL
| Kasgro Rail Lines | 9 |
KTTX
| TTX Company | 1 |
LBR
| Lowville and Beaver River Railroad Compa | 4 |
LMIC
| Lake Michigan & Indiana Railroad | 11 |
MTTX
| TTX Company | 10 |
NS
| Norfolk Southern | 7 |
NW
| Norfolk & Western | 2 |
NWSX
| NEW YORK RAIL LOGISTICS LLC | 1 |
NYC
| New York Central | 1 |
OTTX
| TTX Company | 60 |
PC
| Penn Central | 3 |
PGR
| Progressive Rail, Inc | 1 |
PRR
| Pennsylvania Railroad | 5 |
PTTX
| TTX Company | 14 |
QTTX
| TTX Company | 10 |
RBBX
| Ringling Bros. and Barnum and Bailey | 18 |
RDG
| Reading Railroad | 1 |
RTTX
| TTX Company | 32 |
RUT
| Vermont Railway Incorporated | 1 |
SNHX
| IND/AG Chemicals Incorporated | 5 |
SOU
| Southern | 14 |
TTDX
| TTX Company - DOD Service Flats | 1 |
TTEX
| TTX Company - Articulated Flat Cars (TOFC/COFC) | 75 |
TTHX
| TTX Company - Flat Cars | 2 |
TTXX
| TTX Company | 5 |
WCTR
| WCTU Company White City Terminal Railway | 4 |
WP
| Western Pacific | 1 |
XTTX
| TTX Company | 6 |