AOK
| Arkansas-Oklahoma Railroad | 3 |
ATSF
| Atchison Topeka & Santa Fe | 8 |
BN
| Burlington Northern | 14 |
BNG
| Blackwell Northern Gateway Railroad Comp | 3 |
BNSF
| BNSF Railway | 9 |
BVRY
| Brandywine Valley Railroad Company | 1 |
CCKX
| CCKX Incorporated | 1 |
CP
| Canadian Pacific Railway | 3 |
CW
| Colorado and Wyoming | 1 |
DODX
| Department Of Defense | 7 |
DRGW
| Denver & Rio Grande Western | 3 |
FCCM
| Compania de Ferrocarriles Chiapas Mayab | 1 |
FEC
| Florida East Coast | 6 |
FTTX
| TTX Company | 4 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
GWMW
| GWMW | 1 |
GWWR
| Gateway Western | 2 |
HTTX
| TTX Company | 6 |
ICE
| Iowa Chicago and Eastern | 6 |
ITC
| Illinois Terminal Railroad | 1 |
ITTX
| TTX Company | 3 |
JTTX
| TTX Company | 4 |
KCS
| Kansas City Southern | 5 |
KRL
| Kasgro Rail Lines | 4 |
LMIC
| Lake Michigan & Indiana Railroad | 1 |
MLRX
| MLRX | 1 |
MP
| Missouri Pacific | 34 |
MSRC
| Kansas City Southern | 1 |
MTTX
| TTX Company | 3 |
NS
| Norfolk Southern | 5 |
OTTX
| TTX Company | 1 |
PGR
| Progressive Rail, Inc | 1 |
PPU
| Tazewell & Peoria Railroad | 4 |
PTTX
| TTX Company | 8 |
QTTX
| TTX Company | 2 |
QUAX
| Redstreak, LLC | 2 |
SFS
| Santa Fe Southern | 2 |
SHRX
| Smoky Hill Railway & Historical Society | 1 |
SLSF
| Saint Louis-San Francisco | 1 |
SOU
| Southern | 11 |
SP
| Southern Pacific | 3 |
SPMW
| Southern Pacific Maintenance of Way | 14 |
SR
| Kansas City Southern | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 2 |
STIE
| Superior Tie & Timber (KCS) | 1 |
TTCX
| TTX Company | 2 |
TTHX
| TTX Company - Flat Cars | 1 |
UP
| Union Pacific Railroad Company | 10 |
WP
| Western Pacific | 1 |
XTTX
| TTX Company | 5 |