Mexico is the second-largest producer of steel in Latin America and it stands at the 13th position worldwide. Steel is mostly used in the automotive and construction industries. Most of the steel produced is in the states of Coahuila, Veracruz, Guanajuato, Nuevo Leon, and Michoacan.

•  Ternium (San Nicolas de Los Garza) is located in San Nicolas de Los Garza, Nuevo Leon. Privately owned, it started operations in 1943. Industries served include hand tools, aerospace, packaging, construction, manufacturing, and home appliance.
•  Grupo Villacero is located in Monterrey, Nuevo Leon. The company serves industries that include manufacturing, construction, packaging, and home appliances.
•  Altos Hornos de Mexico (AHMSA) is located in Moldova, Coahuila. The company serves industries including manufacturing, construction, petroleum, packaging and home appliance.
•  Aceria Deacero Celaya is located in Villagran, Guanajuato. Industries served include hand tools, aerospace, construction, etc.
•  Industrias CH (steel production and processing firm), was founded in 1934 and is located in Baja California. It provides steel to Mexico, the U.S. and Canada. Grupo Simec SAB de CV, Tuberias Procarsa, S.A. De C.V., and Aceros y Laminados Sigosa, S.A. de C.V are the subsidiaries of this company. The company has a wide range of products used by industries including construction, mining, and energy.
•  ArcelorMittal is located in Lazaro Cardenas, Michoacan. Their steel products are used in automotive, household appliances, packaging, and construction.
•  Grupo Simec has various plants located in Mexico. The foundry is located in Guadalajara, manufacturers are located in Baja California, and fabrication in Tlaxcala. Industries served include automotive, construction, mining, energy, hand tools, and off-highway equipment.