National Steel Company of Brazil
- Country: Brazil
- Type: Commercial
- Website: www.csn.com.br
- Update: 05-02
Companhia Siderúrgica Nacional (CSN) is Brazil's second-largest steelmaker, founded in 1941 and headquartered in Rio de Janeiro.
Companhia Siderúrgica Nacional (CSN) is Brazil's second-largest steelmaker, founded in 1941 and headquartered in Rio de Janeiro.
