Decometa: Custom design, manufacture and erection of high quality metal constructions.Delrez-Lourtie: Delrez-Lourtie offers a wide range of solutions for tubular constructions. Tube fittings, tubular connections, tubular scaffolding structures and shelving systems.Demulder: Engineering, construction, welding, tailor-made constructions and industrial piping. Kruishoutem.Gijbels Group: Construction and renovation of stores, commercial premises, industrial buildings, offices and parkings. Industrial property services, with Immopro. Aluminium constructions, sectional doors, plate processing and steel structures, with Gijmacon.Staalbouw Overpelt: Specialises in the construction of industrial buildings and special steel constructions.Valeres: Specializes in the construction of industrial building, office building or company housing. Antwerp.