CSN - Companhia Siderúrgica Nacional
MiningSão Paulo, Brazil10001+ Employees
CSN is a Brazilian multinational with a diversified footprint spanning steelmaking, mining, logistics, cement, and energy. It runs an integrated steelworks and a set of industrial facilities, including two abroad, supported by iron ore, limestone, dolomite, and tin mining, as well as port terminals and rail interests, and maintains a substantial flat-steel distribution network. As Brazil's second-largest cement producer, CSN has a capacity of 16.3 million tonnes per year and also holds hydropower assets across the country. Its customers span manufacturers, infrastructure developers, and other industrial buyers who rely on its end-to-end supply chain to support large-scale projects in Brazil and beyond. Headquartered in São Paulo and founded in 1941, CSN presents itself as a long-standing, vertically integrated industrial participant; in 2024 it signaled plans to take its cement subsidiary CSN Cimentos public.