| Name | Type | Sector | Country | Joined On |
|---|---|---|---|---|
| Nurol Insaat ve Ticaret A.S. | Company | Construction & Materials | Türkiye | 10-Aug-2017 |
| Gunak Insaat San. ve Tic. A.S. | Small or Medium-sized Enterprise | Construction & Materials | Türkiye | 14-Dec-2016 |
| Ronesans Holding | Company | Construction & Materials | Türkiye | 22-Sep-2015 |
| ESER Contracting and Industry Co., Inc. | Small or Medium-sized Enterprise | Construction & Materials | Türkiye | 03-Oct-2007 |
| ESPM Eser Project and Engineering Co. Inc. | Small or Medium-sized Enterprise | Construction & Materials | Türkiye | 06-Sep-2007 |