Grupo Promax is a 100% Mexican, private, diversified business group primarily engaged in the production and marketing of construction gypsum, gypsum board, construction materials, as well as zinc derivatives and recycled paper.
- The largest manufacturer of construction gypsum and industrial gypsum in Mexico.
- The largest manufacturer of zinc oxide and zinc sulfate in Latin America.
- The largest manufacturer of gypsum board in Latin America.
- The largest supplier of lightweight construction systems in Mexico.