BN
| Burlington Northern | 1 |
BPRR
| Buffalo and Pittsburgh | 1 |
BVRY
| Brandywine Valley Railroad Company | 1 |
CN
| Canadian National Railways | 3 |
CNW
| Chicago & Northwestern | 1 |
CW
| Colorado and Wyoming | 3 |
HE
| Hollis and Eastern Railroad Company | 2 |
ICCX
| International Catalyst Corp. | 1 |
ICE
| Iowa Chicago and Eastern | 3 |
IFRX
| Infinity Rail LLC | 1 |
ITLX
| General Electric Rail Services | 2 |
LN
| Louisville & Nashville | 1 |
MCEX
| Midwest Railcar Equipment Company | 1 |
MP
| Missouri Pacific | 5 |
MVKX
| Tubular Transport Services | 1 |
NS
| Norfolk Southern | 7 |
SBD
| Seaboard System | 1 |
SH
| Steelton and Highspire Railroad Company | 1 |
SOU
| Southern | 8 |
SP
| Southern Pacific | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 5 |
STIE
| Superior Tie & Timber (KCS) | 1 |
TOE
| Texas Oklahoma and Eastern RR Company | 3 |
TRLX
| Texas Railcar Leasing Company | 2 |
TTPX
| TTX Company - Bulkhead Flats | 10 |
UP
| Union Pacific Railroad Company | 3 |