Thessaloniki Water Supply & Sewerage Co S.A. Announced earnings results for the full year ended December 31, 2019. For the full year, the company announced sales was EUR 72.686 million compared to EUR 73.030 million a year ago. Operating income was EUR 19.414 million compared to EUR 19.376 million a year ago. Net income was EUR 14.658 million compared to EUR 14.001 million a year ago.