MITSUBISHI MATERIALS CORPORATION is mainly engaged in the specialty metal business. The Cement segment manufactures and sells cement, cement secondary products and ready-mixed concrete. The Copper segment smelts and sells gold, silver, copper, and manufactures and sells copper products. The Processing segment is engaged in the manufacture and sale of super hard products and high-function products. The Electronics Material segment manufactures and sells electronic devices, functional materials, chemicals, aerosil and multicrystalline silicon. The Aluminum segment offers aluminum cans and aluminum-processed products. The Others segment is engaged in other business activities related to nuclear energy, precious metals, environment and recycling, as well as geological survey, among others. As of March 31, 2014, the Company had 155 subsidiaries and 52 associated companies.