Metlen Energy & Metals. 

Mytilineos S.A. operates in metallurgy, sustainable engineering solution, renewables and storage development, and power and gas sectors in Greece, the European Union, and internationally. Its principal business areas include the production of electricity and natural gas; operation of industrial and renewable energy plants; trading of gas; production of alumina and aluminum, as well as bauxite and recycled aluminum; and production, processing, and trading of metals, which include aluminum alloys and derivative products. The company also engages in the development and contract of solar and energy storage projects; contract of specialized large-scale integrated turn-key projects; construction of infrastructure projects; and provision of photovoltaic construction, as well as environmental solutions for water, liquid, and solid waste. In addition, it provides energy solutions; and a range of project management, engineering, procurement, construction, and plant commissioning services. The company was formerly known as Mytilineos Holdings S.A. and changed its name to Mytilineos S.A. in July 2019. Mytilineos S.A. was founded in 1908 and is headquartered in Athens, Greece.