BN
| Burlington Northern | 7 |
BNBX
| Greenbrier Management Services, LLC | 1 |
BNSF
| BNSF Railway | 1 |
CMO
| Chicago St Paul Minneapolis & Omaha | 2 |
COLX
| Alliant Energy | 18 |
CSX
| CSX Railroad | 7 |
CWEX
| Midwest Generation LLC | 10 |
DAPX
| Dairyland Power Cooperative (Wis.) | 4 |
EDGX
| Alliant Energy | 7 |
GSNX
| Helm Financial Corporation | 4 |
TILX
| Trinity Industries Leasing Company | 5 |
UP
| Union Pacific Railroad Company | 9 |