| Name | Type | Sector | Country | Joined On |
|---|---|---|---|---|
| Sabaf S.p.A. | Company | Household Goods & Home Construction | Italy | 2004-05-11 |
| Enel | Company | Electricity | Italy | 2004-03-12 |
| UniCredit | Company | Financial Services | Italy | 2004-01-19 |
| Cittadinanzattiva | NGO Local | Not Applicable | Italy | 2003-05-21 |
| Intesa Sanpaolo | Company | Financial Services | Italy | 2003-04-24 |
| Unione Di Banche Italiane SCPA | Company | Financial Services | Italy | 2002-09-23 |
| Monte dei Paschi di Siena | Company | Financial Services | Italy | 2002-06-05 |
| COELMO S.p.A. | Small or Medium-sized Enterprise | Electronic & Electrical Equipment | Italy | 2002-05-10 |
| Telecom Italia - TIM | Company | Fixed Line Telecommunications | Italy | 2002-03-27 |
| Eni | Company | Oil & Gas Producers | Italy | 2001-07-01 |