AOK
| Arkansas-Oklahoma Railroad | 1 |
ATSF
| Atchison Topeka & Santa Fe | 2 |
ATW
| Atlantic and Western | 1 |
BNSF
| BNSF Railway | 2 |
BVRY
| Brandywine Valley Railroad Company | 1 |
CIGX
| THE CIT GROUP/CAPITAL FINANCE, INC. | 1 |
CILX
| CILX | 2 |
CP
| Canadian Pacific Railway | 3 |
CSS
| Chicago South Shore And South Bend | 1 |
CW
| Colorado and Wyoming | 4 |
DODX
| Department Of Defense | 7 |
GBRX
| Greenbrier Leasing Corporation | 1 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
HTTX
| TTX Company | 7 |
HZGX
| Herzog Contracting Corporation | 1 |
IANR
| Iowa Northern Ry | 1 |
IARX
| InStar Leasing | 1 |
ICE
| Iowa Chicago and Eastern | 3 |
JTTX
| TTX Company | 4 |
KCS
| Kansas City Southern | 3 |
KRL
| Kasgro Rail Lines | 13 |
LMIC
| Lake Michigan & Indiana Railroad | 30 |
LTTX
| TTX Company | 1 |
MP
| Missouri Pacific | 1 |
MRYM
| Monticello Railway Museum | 2 |
MTTX
| TTX Company | 7 |
OTTX
| TTX Company | 3 |
PTTX
| TTX Company | 20 |
QTTX
| TTX Company | 11 |
SOO
| Soo Line | 1 |
SP
| Southern Pacific | 3 |
TPDX
| TPDX | 9 |
TTCX
| TTX Company | 1 |
TTHX
| TTX Company - Flat Cars | 1 |
TTJX
| TTX Company-Bulkhead Flats | 1 |
TTMX
| TTX Company | 1 |
TTX
| TTX Company | 2 |
UNK
| UNK | 1 |
UP
| Union Pacific Railroad Company | 3 |
WP
| Western Pacific | 3 |
XTTX
| TTX Company | 7 |