AOK
| Arkansas-Oklahoma Railroad | 3 |
ATW
| Atlantic and Western | 4 |
BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 18 |
BVRY
| Brandywine Valley Railroad Company | 1 |
CN
| Canadian National Railways | 2 |
HPTX
| HAMPTON CAPITAL LLC | 1 |
ICG
| Illinois Central Gulf | 3 |
IFRX
| Infinity Rail LLC | 1 |
IHB
| Indiana Harbor Belt | 2 |
LMIC
| Lake Michigan & Indiana Railroad | 1 |
MSPX
| P4 Productions LLC | 2 |
MVKX
| Tubular Transport Services | 4 |
NS
| Norfolk Southern | 2 |
SOU
| Southern | 1 |
SRLX
| Southern Rail Leasing Incorporated | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 3 |
TRLX
| Texas Railcar Leasing Company | 2 |
TTJX
| TTX Company-Bulkhead Flats | 3 |
TTPX
| TTX Company - Bulkhead Flats | 11 |
UMP
| Upper Merion and Plymouth Railroad | 1 |
UP
| Union Pacific Railroad Company | 2 |