Companhia Siderúrgica Paulista (Cosipa)

The Companhia Siderúrgica Paulista (Cosipa), often referred to simply as Cosipa, was a Brazilian steel company located in Cubatão, São Paulo. It was a major integrated steel producer established in the 1950s as part of Brazil's national development plan to foster domestic industry and reduce dependence on imported steel.

Cosipa's primary operations included the production of flat steel products, such as hot-rolled coils, cold-rolled coils, and galvanized steel. These products were used in a variety of industries, including automotive, construction, and appliance manufacturing.

Throughout its history, Cosipa faced various challenges, including economic instability, environmental concerns, and labor disputes. The company underwent privatization in the 1990s as part of a broader effort to reduce state involvement in the Brazilian economy.

Following privatization, Cosipa was acquired by Usiminas (Usina Siderúrgica de Minas Gerais), another major Brazilian steel producer. The Cubatão plant continues to operate as part of Usiminas, contributing to Brazil's steel production capacity.

Cosipa's establishment and subsequent operations played a significant role in the industrial development of the state of São Paulo and the Brazilian economy as a whole. Its legacy includes its contribution to the growth of downstream industries and the development of technical expertise in steelmaking. The name Cosipa, while no longer a standalone entity, remains historically important in the context of Brazilian industrial history.