ISTAC Inc (İSTAÇ A.Ş.) is Istanbul Environmental Management Industry and Trade Inc., the environmental services company of the Istanbul Metropolitan Municipality in Turkey. The company provides integrated waste management across the city and region, overseeing the transfer, treatment, recovery, and final disposal of municipal and certain special wastes.
ISTAC develops and operates waste treatment and energy recovery infrastructure, including material recovery facilities, landfill operations and landfill gas power units, waste-to-energy assets, and medical waste sterilization and incineration services. It also undertakes marine surface cleaning to control litter in Istanbul’s waterways, and supports environmental monitoring, compliance, and public awareness activities. Through recycling and energy recovery, ISTAC contributes to resource efficiency and emissions reduction while ensuring the safe, regulatory-compliant management of the city’s waste streams.