OWAC Engineering Company is a leading engineering company with more than 20 years of experiences in the industrial sector, with particular reference to circular economy development programs, design and construction supervision of waste treatment plants ( waste to energy, composting, waste sorting), renewable energy plants (solar, biomass, biogas) and environmental remediation projects. OWAC is an ISO 9001 certified company and an accredited Energy Service Company (ESCo). During 2020 the company was Awarded with the National prize “1oo eccellenze Italiane ” for providing excellent Engineering Services. OWAC counts with offices in Italy, Senegal, Dubai, and Shanghai. Headquarters are located in Palermo (Italy). Advanced communications systems are used within the company to guarantee performance and quality services. For a more sustainable world, the company believes it is time to bring waste management and circular economy programmes to the attention of the general public. With its projects , OWAC contributes to promoting green practices reducing health and environmental hazards, carbon emissions, and enhancing circular economy programmes that will benefit local economies and their quality of life.