Thessaloniki Water & Sewage. 

Operating across Greece, EYATH S.A., officially known as Thessaloniki Water Supply & Sewerage Co S.A., is a utility company primarily engaged in providing comprehensive water supply and sewerage services. Its core responsibilities encompass the entire lifecycle of water and wastewater infrastructure, from initial design and construction to ongoing operation, maintenance, expansion, and modernization. Specifically, EYATH handles all aspects of water management, including desalination, pumping, purification, storage, transport, and distribution of diverse water sources. Concurrently, it oversees the collection, conveyance, treatment, and careful management of wastewater. Beyond its primary utility functions, the company also provides telecommunication services. Furthermore, it generates and sells electricity, harnessing hydropower from sources such as springs, dams, aqueducts, and pipelines. Established in 1998, EYATH S.A. maintains its headquarters in Thessaloniki, Greece, and operates as a subsidiary of the Hellenic Corporation of Assets and Participations S.A.