• AK ENERGY Electric Production Group Inc.
• AKSA Akrilik Chemistry Ind. Inc.
• AKRIL Chemistry Ind. Inc.
• ANADOLU HONDA
• ATILLA DOGAN Group of Companies Ministry of National Defence Poyraz Quay
• BASF SUMERBANK Türk Chemistry Ind. Inc.
• BILENERGY Bilkent Energy Prod. Autoproduction Ind. Inc.
• BORCELIK Steel Ind. & Trade Inc.
• BOSCH Heating Products Ind. & Trade Inc.
• BOSSA 4 Turkey Inc. Denim

• CENGİZ ENERGY Eti Aluminum Inc.
• CEVHER Machinery Ind. Inc.(Casmpina Yoghurt Plant Bimeks Imp.&Exp.Ind.Inc.)
• CBS Shinto Paint & Chemical Trade Inc.
• CERKEZKOY ENERGY Electric Production Ind.Inc.
• CIMENTAS Gas Cement Managements Inc.
• DYO-AKRIL Chemical Ind. Inc.
• DUSA Industrial Thread Ind. & Trade Inc.
• ECA-ELGINKAN Holding Co. Emas Machinery Ind. Inc.
• ENKA Marketing Inc.
• ETI Metal Fabricating
• FESTO Ind. Inc.

• HEAŞ Hamitabat Electric Production Inc.
• INSA Istanbul Nylon Ind.Inc.
• IZOCAM Ind. & Trade Inc.
• KALE PORSELEN Electric Ind. Inc.
• KORDSA Cord Cloth Ind. & Trade Inc.
• MARSA Kraft Jacobs Suchard Sabancy Food Ind.Inc.
• MENSUCAT SANTRAL Textile Turkey Inc.
• MODERN ENERGY Electric Production Group Inc.
• MINTAX PROCTER & GAMBLE Detergent Ind. Inc.
• M.K.E.K. Wooden Material Factory
• NETAS Northern Electric Telecommunicatiob Inc.
• OPEL Turkey Inc.
• PNS Pendik Starch Ind. Inc.
• POLISAN Chemistry Ind. Inc.
• SOKTAS Cotton & Agricultural Products Processing Trade & Ind. Inc.
• SOCIAL INSURANCE INSTITUTE (SSK) Drug Factory
• TOPRAK Paper Ind. Inc.

• TOYOTA Boshoku Turkey Automative Inc.
• TIRE-KUTSAN Ind. Inc.
• ULKAR Chemistry Ind. & Trade Inc.
• UNILEVER Trade Ind. Turkey Co.
• VESTEL Goldstar Electronic Ind. & Trade Inc.
• YALOVA ELYAF & Thread Ind. Inc.
• ZORLU ENERGY GROUP