| Relationships | Role | Relationship Start | Relationship End |
| Continental Illinois Venture Corporation | Parent | 10/1/1997 | 8/31/2001 |
| Continental Illinois Venture Corporation | Parent | 3/30/1996 | 9/30/1997 |
| Continental Illinois Venture Corporation | Parent | 5/13/1993 | 3/29/1996 |
| Transwestern Publishing Company, L.P. | Subsidary | 9/1/1994 | 8/31/2001 |