Usinas Siderurgicas de Minas Gerais SA Usiminas, formerly COSIPA - Companhia Siderurgica Paulista, is a Brazil-based company engaged in the steel industry. The Company is principally involved in the production and sale of flat rolled steel. The Company and its subsidiaries operate throughout the steel production process. The Company divides its business into four segments: Mining; Solutions Usiminas and Automotive Usiminas, both units are related to steel processing and unit of capital goods and services through Usiminas Mechanics. The Company provides its products to various industrial sectors, such as automotive, marine, oil and gas, construction, machinery and equipment, among others. The Company offers its services both in Brazil and abroad. On December 20, 2013, the Company concluded transfer of the total stake in the share capital of Automotiva Usiminas SA to Aethra Sistemas Automotivos SA.