Sintexcal spa was founded in 1986. Today Sintexcal, with nine very modern and innovative plants together with a building division, is the national leader in the bituminous conglomerate for paving streets, airports and any yards.

Sintesis srl was founded in 1997 with the aim of producing and commercialising bituminous conglomerates.

C.M.B. srl produces and commercialises bituminous conglomerates and emulsions besides auxiliary chemical products and components for the urban landscaping.

Valli Zabban was founded in 1927 and recently is joined to Gruppo Tonon. It produces and commercialises bituminous, emulsions, bituminous conglomerates and waterproof membranes in many establishments in Italy.