This Contract was signed the 11th day of September 2019, in the presence of the General Secretary of Waste Management Mr. Grafakos Manolis, the Mayor of Orestiada Mr. Mauridis Vasilios and the Mayor of Didymoteicho Mr. Chatzigiannoglou Romilos, by and between the Regional Authority of Eastern Macedonia and Thrace and I.FRANTZIS AND ASSOCIATES LTD., in Association with EPTA S.A. CONCEPT S.A., SUNTHESIS RESEARCH LTD, IATROU ALEXANDROS, TZIRIDIS APOSTOLOS AND KARAMPATAKIS DIMITRIOS.