72.10.Z - Research and experimental development on natural sciences and engineering
22.21.Z - Manufacture of plastic plates, sheets, tubes and profiles
22.26.Z - Manufacture of other plastic products
23.32.Z - Manufacture of bricks, tiles and construction products, in baked clay
23.66.Z - Manufacture of other articles of concrete, cement and plaster
28.92.Z - Manufacture of machinery for mining, quarrying and construction
46.13.Z - Activities of agents involved in the wholesale of timber and building materials
47.52.Z - Retail sale of hardware, building materials, paints and glass
71.12.B - Other activities in the field of engineering and related technical consulting
71.20.C - Other technical research and analyses
