| Relationships | Role | Relationship Start | Relationship End |
| Itcmed, Inc. | Parent | 7/31/1990 | 8/31/2001 |
| Tmlw Corporation | Parent | 12/31/1996 | 8/31/2001 |
| Xyxyxy Corporation | Subsidary | 7/31/1990 | 12/29/1999 |
| Ephco, Inc. | Subsidary | 7/31/1990 | 12/29/1998 |
| Doctors General Holding Corporation | Subsidary | 5/31/1991 | 12/30/1991 |