Acerinox 

ACEA S.p.A., an Italian multi-utility company established in Rome in 1909, conducts its operations through various subsidiaries across Italy and internationally. Its Environmental segment encompasses waste treatment and disposal, overseeing waste-to-energy and composting facilities in regions such as Lazio, Umbria, and Tuscany. It also manages plastic recycling plants in Piedmont and Valle d'Aosta, contributing to energy production from waste materials. The Commercial and Trading division is responsible for the sale and supply of electricity and natural gas. Through its Water segment, ACEA provides comprehensive drinking water services, from collection and discharge to retail and wholesale distribution. This segment caters to approximately 9 million customers, managing integrated water systems in Rome, Frosinone, and numerous other localities across Lazio, Tuscany, Umbria, Molise, and Campania. The Energy Infrastructure sector operates hydroelectric, photovoltaic, and thermoelectric power plants in Lazio, Umbria, and Abruzzo. It also handles public and artistic lighting solutions and distributes around 10 TWh of electricity. The Engineering and Services segment focuses on the research, design, construction, and ongoing management of integrated water systems. Finally, the Abroad segment extends the company's water management expertise to Latin America.