| Name | Type | Sector | Country | Joined On |
|---|---|---|---|---|
| IPIECA, the global oil and gas industry association for environmental and social issues | Business Association Global | Not Applicable | United Kingdom | 2003-07-24 |
| Premier Oil Plc | Company | Oil & Gas Producers | United Kingdom | 2003-05-13 |
| RELX Group plc | Company | Media | United Kingdom | 2003-01-23 |
| Diageo Plc | Company | Beverages | United Kingdom | 2002-10-09 |
| AVIVA plc | Company | Financial Services | United Kingdom | 2001-08-23 |
| Standard Chartered Bank | Company | Financial Services | United Kingdom | 2001-08-22 |
| Pentland Group Plc | Company | Personal Goods | United Kingdom | 2001-07-02 |
| HSBC Holdings plc. | Company | Financial Services | United Kingdom | 2000-11-27 |
| BP Plc | Company | Oil & Gas Producers | United Kingdom | 2000-07-26 |
| BT Group plc | Company | Fixed Line Telecommunications | United Kingdom | 2000-07-26 |