Companhia Siderúrgica Nacional SID

Company Overview

Companhia Siderúrgica Nacional (NYSE: SID), commonly known as CSN, is a Brazilian industrial conglomerate primarily engaged in the steel, mining, cement, logistics, and energy sectors. Founded in 1941 as a state-owned enterprise and privatized in 1993, the company evolved from a domestic steel producer into a vertically integrated natural resources and infrastructure group. CSN operates across the steel value chain, from iron ore extraction and logistics to the production and distribution of flat steel products used in automotive, construction, packaging, energy, and industrial applications.

The company’s principal revenue drivers include its Steel Industry, Mining, Logistics, Cement, and Energy operations. CSN is recognized for its integrated business model, which combines ownership of iron ore reserves, railways, port terminals, and power generation assets to support industrial operations and reduce supply-chain dependency. Its strategic positioning in Brazil provides access to major domestic industrial markets while enabling exports to customers in Latin America, Europe, Asia, and North America.