Contracted Companies
| Audio Elektronik A.S. |
| Energy Labor Union |
| Kyocera |
| Kervan Tekstil San. ve Dış Tic. A.S. |
| Alpi Oral and Dental Health Center |
| Ilab Holding |
| Anadolu Motor Production and Marketing Inc. |
| Gemak Group of Companies |
| Özçelik Labor Union Istanbul Branch No. 2 Presidency |
| Airport Operation and Aviation Industries Inc. |
| Hak-Is Union Istanbul Provincial Presidency |
| Turkish Retirees Association Kartal Branch Presidency |
| Sahibinden.com |
| Ekol Logistics |
| Chicken World |
| Petrol Labor Union |
| MV Holding |
| ETK Kablo A.S. |
| Gamak Makina San. A.S. |
| Maltepe Chamber of Tradesmen and Craftsmen |
| Nature College |
| Kartal Municipality |
| Anadolubank A.S. |
| Watsons Beauty and Care Products |
| Eryetiş Balkans Education Institutions |
| Eminevim |
| Little Rows Kindergarten |
| Viennalife and Hayat Emeklilik A.S. |
| Cekmekoy Municipality |
| Tes-Is Union |
| Kartal Chamber of Women and Men Barbers Tradesmen and Craftsmen |
| Agricultural Labor Union Istanbul Provincial Presidency |
| Akrida Schools |
| Türkiye Finans Katılım Bankası A.Ş. |
| Pegasus Airlines |
| QNB Finans Bank A.S. |
| Kuveyt Turk Participation Bank Inc. |
| CarrefourSA |
| United Metalworkers Union Istanbul Branch No. 1 Presidency |
| Ümraniye District Directorate of National Education |
| Ayedas |
| Sancaktepe Bil College |
| Pendik Municipality |
| Türk Reasürans A.Ş. |
| Kartal ve Adalar Esnaf ve Sanakalar Kredi ve Kefalet Koop. |
| Legrand Electricity Inc. |
| Ahi Industrialists and Businessmen Association |
| Memur Sen Istanbul Provincial Presidency |
| Pendik Chamber of Tradesmen and Craftsmen |
| Istanbul Regional Administrative Court |
| College of Joy Altunizade Branch |
| BSH Home Appliances |
| Metal Auto Trade Ltd. Şti. |
| Mil Diyanet Sen |
| Kyrenia College |
| Sultanbeyli Municipality |
| Sancaktepe Municipality |
| Diva - You |
| Turkish Seafarers Union |
| Tuzla Municipality |
| Kadıköy District Directorate of National Education |
| Istanbul Provincial Presidency of Türkiye Kamu Sen |
| Istanbul Chamber of Certified Public Accountants |
| Gen College |
| Huzur Giyim San. ve Tic. A.S. |
| Deriteks Trade Union |
| Ince Maritime |
| Primary School Teachers' Health and Welfare Fund |
| Istanbul Anatolian Chief Public Prosecutor's Office |
| Piri Reis University |
| Ince Shipping and Trade Inc. |
| Toyotetsu Automotive Parts San. ve Tic. A.Ş ( TOYOTFamily ) |
| Sancaktepe District Directorate of National Education |
| Turkish Education Union Istanbul Branch No. 2 Presidency |
| Berko İlaç ve Kimya San. ve Tic. A.S. |
| BASF Türk Kimya San. ve Tic. Ltd. Şti. |
| Chamber of Geological Engineering |
| Çekmeköy Industrialists, Businessmen and Industrialists Association (ÇEKSİAD) |
| LC Waikiki Merchandising Services |
| Birinci Automotive Industry and Trade Inc. |
| Sky College |
| CTP Composite Inc. |
| Toypa Mağazacılık Ticaret A.Ş. (TOYZZ SHOP) |
| Beykoz Municipality |
| Gebze Technical University |
| Istanbul Commodity Exchange |
| Evyap Soap Oil Glycerin San. ve Tic. A.Ş |
| Kibar Holding A.S. |
| Desan Deniz İnşaat Sanayi A.Ş. |
| Istanbul Branch Presidency of Basın-İş Union |
| Ülker Bisküvi San. A.Ş. |
| Aytemiz Akaryakıt Dağıtım A.Ş. |
| Kartal District Directorate of National Education |
Updated Date:20 February 2024Creation Date:01 February 2024
Contracted Institutions