The Thessaloniki Water Supply And Sewerage Company S.A. Announces An Open Electronic Tender Above The Limits And The Award Criterion Is The Most Advantageous Offer Based On The Best Quality &Amp;#8211; Price Ratio, With The Object Of Supplying And Installing An Integrated Security System With A Scada System Interface For The Expansion Of The Protection Of Critical Infrastructures Of The Thessaloniki Water Supply &Amp; Sewerage Company (Eyath S.A.) With An Estimated Value Of Eight Hundred Ninety-Two Thousand And Seven Hundred Euros (€892,700.00) Plus Vat.