About us

MINERALI INDUSTRIALI is an independent Italian company born from the merger of two historical Italian groups: Maffei, founded in the early 1900s and Gruppo Minerali active since the 1970s. Today it is managed by the two owner families and 6 top managers, and employs about 645 people (half of them in Italy), plus a few hundred subcontractors who carry out non-strategic activities. In 2022 MI produced more than 3.5 million tons of raw materials.

Minerali Industriali is present with 12 production units in Italy, 4 in Europe, 1 in Asia, 3 in North Africa and 7 in Central and South America. The main activities are UNI EN ISO 9001: 2015 certified.

Minerali Industriali operates in the following businesses:

  • extraction, treatment and marketing of raw materials such as sands, feldspar, clays and kaolin for the glass, ceramic, sanitary and paint industries;
  • production of innovative products for use in sports and leisure;
  • valorisation of non-hazardous industrial waste (circular economy)
  • geological and mining research;
  • design and construction of machinery and systems for the mining sector and for the circular economy.


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The Group

Companies of the Group



North Africa


Central and South America