Thessaloniki Water Supply & Sewerage Co S.A. Announced earnings results for the full year ended December 31, 2020. For the full year, the company announced sales was EUR 71.911 million compared to EUR 72.686 million a year ago. Operating income was EUR 16.360 million compared to EUR 19.414 million a year ago. Net income was EUR 11.868 million compared to EUR 14.658 million a year ago.