ATW
| Atlantic and Western | 2 |
BNSF
| BNSF Railway | 1 |
CNA
| Canadian National Railways | 1 |
CSX
| CSX Railroad | 1 |
ETTX
| TTX Company - Autoracks | 1 |
IPBX
| Innophos, Inc | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
NOKL
| Northwestern Oklahoma | 1 |
SOO
| Soo Line | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TCLX
| Trinity Chemical Leasing LLC | 1 |
TOCX
| TTX Company - Autoracks | 3 |
TREX
| Tetra Technologies Incorporated | 1 |
TTGX
| TTX Company-Autoracks | 6 |
UCRY
| Utah Central | 1 |