Metlen Energy & Metals SA, formerly known as Mytilineos SA, is a Greece-based company primarily engaged in energy and metallurgical industries. The Company operates through two core business sectors: Energy and Metals. Within the Energy sector, the Company engages in development, construction and operation of thermal units and renewable energy projects, as well as design and construction of electric power infrastructure projects. The Company is also involved in retail electricity and natural gas supply, as well as provision of energy products and services, such as energy efficiency, smart cities services, and hydrogen infrastructure. The Company's Metals sector includes production of bauxite, alumina, and primary aluminum. Metlen Energy & Metals SA, through its subsidiaries, is also active in the Infrastructure and Concessions sector which includes the undertaking of various design, construction, operation, and maintenance of infrastructure and other construction related projects.