| Name | Type | Sector | Country | Joined On |
|---|---|---|---|---|
| Dogus Group | Company | Oil, gas, & coal | Türkiye | 15-Mar-2007 |
| Sabanci University | Academic | Not Applicable | Türkiye | 29-Jan-2007 |
| Agesa Hayat ve Emeklilik AS | Company | Finance and credit services | Türkiye | 10-Jan-2007 |
| Nilufer Municipality | City | Not Applicable | Türkiye | 10-Jan-2007 |
| Borusan Holding A.S. | Company | Industrial Support Services | Türkiye | 03-Oct-2006 |
| Yeşim - Almaxtex Textile Industry and Trade Inc. | Company | Personal Goods | Türkiye | 28-Sep-2006 |
| Aksa Akrilik Kimya Sanayi A.S. | Company | Chemicals | Türkiye | 19-Jun-2006 |
| Habitat Association | NGO Local | Not Applicable | Türkiye | 13-Jun-2006 |
| Corporate Governance Association of Turkey | NGO Local | Not Applicable | Türkiye | 05-Jun-2006 |
| Eczacibasi Holding Co. | Company | General Industrials | Türkiye | 26-May-2006 |
| Koc Holding | Company | General Industrials | Türkiye | 05-Apr-2006 |
| Dorce Prefabricated Building and Construction Industry Trade Inc. | Company | Construction & Materials | Türkiye | 31-Aug-2002 |