| Relationships | Role | Relationship Start | Relationship End |
| Citibank Investments Limited | Parent | 12/2/1991 | 2/27/1993 |
| Citibank Financial Trust Limited | Parent | 12/23/1989 | 12/1/1991 |
| Quotnet (U.K.) Limited | Parent | 12/31/1987 | 12/22/1989 |
| Quotron International Company | Parent | 6/27/1986 | 12/19/1987 |
| Quotron Handelssysteme Gmbh | Subsidary | 3/1/1991 | 2/12/1993 |