| Name | Type | Sector | Country | Joined On |
|---|---|---|---|---|
| Koc Holding | Company | Diversified Industrials | Türkiye | 05-Apr-2006 |
| Dorce Prefabricated Building and Construction Industry Trade Inc. | Company | Construction | Türkiye | 31-Aug-2002 |
| Akfen Holding Co. Inc. | Company | Diversified Industrials | Türkiye | 02-Jul-2002 |
| ARGE Consulting | Small or Medium-sized Enterprise | Professional Business Support Services | Türkiye | 29-May-2002 |
| Turkish Society for Quality | Business Association | Türkiye | 29-May-2002 |