Inside National Material of Mexico’s large, bright warehouse, a close, artistic shot of the rollers on the Red Bud slitting line.


At NMM, we believe that our network is our net worth. Each of our state-of-the-art-steel processing Mexico facilities count on the alliance network of 7 strategic locations in Mexico: Monterrey, Hermosillo, Queretaro, Puebla, San Luis Potosi, Guanajuato, and Aguascalientes.

Our facilities offer the following steel processing capabilities:

  • Hot rolled and cold rolled
  • galvanized and galvanneal
  • prepainted
  • aluminized
  • aluminum
  • slitting
  • grain-oriented and non-oriented electrical steel
  • ISO-9002 certified
  • exposed and non-exposed surface
  • sheet or blank form
  • all steel grades, including advanced high-strength steel (AHSS)

In addition, NMM’s Red Bud slitting line produces high-tensile strength steel coils with 72-inch widths.  With the operation of the Red Bud slitting line in the steel processing Monterrey plant, National Material of Mexico can provide more than 1 million tons of steel and a configured blanking capacity of 300,000 tons.

The following network of steel processing centers are ready to serve you:

Steel Processing Monterrey
Monterrey Plant
Sexta Oriente #150
Parque Industrial Monterrey
Apodaca, Nuevo León 66603
Phone: 011-52-81-8319-4828

Steel Processing Hermosillo
National Material de México, S. de R.L. de C.V.
Hermosillo Plant
Carretera a Sahuaripa #370
Parque Industrial
Hermosillo, Sonora 83299
Phone: 011-521-662-143-0545

Steel Processing San Luis Potosí*
Posco MPPC, S.A. de C.V
San Luis Potosí Plant
Lotte 4, Calle Carussel 1 Poniente #106
Parque Industrial Logistic km 5.0
Super Carretera San Luis – Villa de Ariaga
Laguna de San Vicente, Villa de Reyes, S.L.P. 79525
Phone: 011-52-81-8319-4828

National Material of Mexico’s Monterrey employees standing proudly outside their steel processing plant on a sunny day, with the Mexican flag, American flag, and the NMM flag behind them.


Steel Processing San Jose Iturbide Guanajuato*
MISA – National Metal Processing, S.A. de C.V.
Querétaro Plant
Av. Montes Urales No.11
Parque Industrial Opción
San Jose Iturbide, Guanajuato 37980
Phone: 011-52-81-8319-4828

Steel Processing Huejotzingo Puebla*
Posco MPPC, S.A. de C.V.
Puebla Plant
Carretera 190 km 0.55
Santa Ana Xalmimilulco
Huejotzingo, Puebla 74169
Phone: 011-52-81-8319-4828

Steel Processing Posco Celaya*
Posco MPPC, S. A. de C.V.
Carretera Villagrán-Celaya km. 4.5
Col. Segunda Fracción
Celaya, Guanajuato 38110
Phone 011-52-81-8319-4828

Steel Processing Posco Aguascalientes*
Posco MPPC, S.A. de C.V.
Carretera Panamericana Sur km. 112 Int. 106
Peñuela, Aguascalientes 20396
Phone 011-52-81-8319-4828

*Joint  Venture

A map showing all of the NMM Steel Processing Mexico plants, with red markers placed on the map and labelled with the name of the corresponding individual NMM plant: steel processing Monterrey, steel processing Hermosillo, steel processing Queretaro, steel processing Puebla, steel processing San Luis Potosi, steel processing Guanajuato, and steel processing Aguascalientes.


NMM has a just-on-time program with the quality and capacity to suit the job at hand. Premium slitters, cut-to-length lines, blanking lines, combined with an experienced, well-trained workforce, and warehousing makes NMM the perfect choice for steel consumers. The strategic locations throughout Mexico offer a logistical advantage that guarantees that you will get quality steel, just-on-time. Contact our friendly staff today!

An image showing a sketch of a truck, a train, and a cargo ship in front of a watermark made of gears and between them groups of people, all of which represent logistics and logistical capacity.


About Parent Company National Material L.P.


NMM is a subsidiary of National Material L.P., a group of industrial businesses that have a long history of quality and service, dating all the way back to 1964. The partnership consists of over 30 business units and is one of the largest suppliers of steel in North America, with locations in Canada, the United States, and Mexico.


For more information, contact us via our website, email our sales department at, or call us at 011-52-81-8319-4828.