Times are changing and the messages are no longer vague. The urban and industrial waste as well as the ways of their treatment are significant environmental problems since infrastructure on a large scale, high costs of investment, and high performance requirements with direct impact on the quality of surface and ground water that is needed. Tycheros – Chatzis Co. with its long-standing experience in the design and construction of waste treatment plants and a long list of operational projects is able to keep up with a solution to any environmental problem.