EIS Eczacibasi Ilaç, Sinai ve Finansal Yatirimlar Sanayi ve Ticaret AS is a holding company, which engages in the investment and management business. It operates through the following segments: Healthcare, Real Estate Development, and Other. The Healthcare segment involves in the manufacture and sale of pharmaceutical, biotechnological, and nuclear medicine products, as well as provision of healthcare services. The Real Estate Development segment engages in the construction and sale of the real estate property. The Other segment includes manufacture and sale of ceramic coating products, as well as exporting services. The holding was founded by Mehmet Nejat Eczacibasi, Melih Eczacibasi, Haluk Eczacibasi, Kemal Eczacibasi, and M. Sakir Eczacibas on October 24, 1951 and is headquartered in Istanbul, Turkey.