| Relationships | Role | Relationship Start | Relationship End |
| J.P. Morgan International Inc. | Parent | 11/1/1993 | 12/1/2000 |
| Chemco International Inc. | Parent | 6/1/1990 | 10/31/1993 |
| Norchem S.A. Sociedade De Investimento - Capital Estrangeiro | Subsidary | 12/2/1990 | 12/30/1996 |