Grupo Promax is a 100% Mexican, private, and diversified business group primarily involved in the production and commercialization of construction gypsum, gypsum board, building materials, as well as zinc derivatives and recycled paper. They offer a wide range of products and services through their subsidiary companies. Yesera Monterrey, a leader in the production of gypsum for construction, ceramic, artisanal, agricultural, and food-grade purposes, is one of their prominent subsidiaries.

Zinc Nacional, another subsidiary, is one of the largest producers of zinc compounds globally, with their products being sold in over 20 countries. Panel Rey, a manufacturer of lightweight construction systems based on gypsum panels and galvanized steel structure, provides complete building solutions. Plaforama, with more than 75 branches across Mexico, specializes in the distribution of lightweight construction system materials.

Transportes y Servicios Rovi is responsible for transportation services, specifically in the transfer of gypsum rocks from quarries to production plants. Grupo Promax also has subsidiaries like Steel Dust Recycling, PermaBase de América, Supermastick PR, and Turkmex, which are involved in zinc recovery, cement panels, gypsum compounds, and oxide manufacturing. Grupo Promax is guided by their strong values, which are reflected in their actions.

They also have the Promax Foundation, a philanthropic initiative that aims to improve the living conditions of vulnerable communities through projects related to health, education, community development, social assistance, and the environment