| Relationships | Role | Relationship Start | Relationship End |
| Key Equity Capital Corporation | Parent | 7/13/1999 | 8/31/2001 |
| Key Equity Partners 98 | Parent | 1/29/1999 | 8/31/2001 |
| Key Equity Capital Corporation | Parent | 1/29/1999 | 7/12/1999 |
| Trek Diagnostic Systems, Inc. | Subsidary | 1/29/1999 | 8/31/2001 |
| Trek Holding Company Limited | Subsidary | 1/29/1999 | 8/31/2001 |