| Relationships | Role | Relationship Start | Relationship End |
| Wells Fargo Rail Corporation | Parent | 6/30/2007 | |
| Wells Fargo Rail Corporation | Parent | 5/23/1996 | 6/29/2007 |
| Northbrook Rail Corporation | Parent | 4/1/1996 | 5/22/1996 |
| Relationships | Role | Relationship Start | Relationship End |
| Wells Fargo Rail Corporation | Parent | 6/30/2007 | |
| Wells Fargo Rail Corporation | Parent | 5/23/1996 | 6/29/2007 |
| Northbrook Rail Corporation | Parent | 4/1/1996 | 5/22/1996 |