Carvalho, Batista & Cª, S.A. was founded in 1953 and since then has been engaged in the marketing of various building materials and hardware, characterized by high quality standards. This establishment maintains the integrity of classic furniture and equipment. We are known for the exclusivity of producing and selling the unique pieces from the great names of national architecture and design. We are unquestionably associated with the city of Porto and the so-called “Porto Architecture School”, a world reference in this area. Our philosophy is based on three pillars – differentiation for quality, careful customer service and permanent attention to market needs.

Emerging Pentagon is a company specializing in the manufacture of electrical resistors. It has a variety of products that allow it to meet various business lines and different requirements such as electrical resistances including dip resistance, tubular resistance, circular injection resistance, cartridge resistance, special resistors and control panel. They then manufacture resistors – straight annealed for workshops; for industrial ovens; for heating / dissipating batteries; flanges for immersion in liquids; for hotels, hospitals, the food industry, petrochemicals, aeronautics; fins, among others.