AOK
| Arkansas-Oklahoma Railroad | 8 |
ATTX
| TTX Company - Container Flats | 1 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 10 |
BVRY
| Brandywine Valley Railroad Company | 1 |
CNW
| Chicago & Northwestern | 1 |
CP
| Canadian Pacific Railway | 1 |
CTIE
| Kansas City Southern Railway Company | 2 |
CW
| Colorado and Wyoming | 1 |
DODX
| Department Of Defense | 12 |
FRR
| Falls Road Railroad Company Incorporated | 1 |
FTTX
| TTX Company | 2 |
FWWR
| Fort Worth and Western | 2 |
HTTX
| TTX Company | 7 |
ITTX
| TTX Company | 12 |
JTTX
| TTX Company | 3 |
KCS
| Kansas City Southern | 3 |
KRL
| Kasgro Rail Lines | 1 |
LMIC
| Lake Michigan & Indiana Railroad | 3 |
LNAL
| Louisville New Albany and Corydon Railroad | 1 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 2 |
MP
| Missouri Pacific | 4 |
PHMX
| P&H Mining Equipment | 5 |
PTDX
| ABB Power T and D Company Incorporated | 1 |
QTTX
| TTX Company | 6 |
SP
| Southern Pacific | 5 |
SPS
| Spokane Portland & Seattle | 1 |
SPSX
| Progress Rail Services Corp | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
STIE
| Superior Tie & Timber (KCS) | 1 |
TFWX
| TTX COMPANY | 4 |
TNER
| Texas Northeastern Division Mid-Michigan | 2 |
TTHX
| TTX Company - Flat Cars | 6 |
TTJX
| TTX Company-Bulkhead Flats | 1 |
TTMX
| TTX Company | 1 |
UP
| Union Pacific Railroad Company | 3 |
VTTX
| TTX Company | 1 |
XTTX
| TTX Company | 2 |