BNSF
| BNSF Railway | 6 |
CN
| Canadian National Railways | 19 |
CRDX
| Chicago Freight Car Leasing Company | 14 |
CSX
| CSX Railroad | 30 |
CTRN
| Union Pacific Railroad Company | 1 |
HZGX
| Herzog Contracting Corporation | 3 |
IANR
| Iowa Northern Ry | 1 |
OBB
| OBB | 2 |
OOOX
| Osborne Incorporated | 8 |