6 Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; metal pipes; safes; metal components for building; ores.
11 Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
19 Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal.
37 Installation services; public works, rural works; drilling of wells; rental of tools and construction equipment, rental of bulldozers and tree uprooting equipment; maintenance or cleaning of buildings, premises and property (resurfacing and repointing of façades, disinfecting, rat exterminating); maintenance or cleaning of various articles (laundering); construction of buildings; stove setting, soundproofing, painting, plastering, plumbing, insulation, roofing; masonry, electricity; construction information; building construction supervision.
42 Engineering in relation with certification in the building industry, professional consultancy and construction drafting, non-business; materials testing, laboratories; architecture; architectural consultation; construction drafting; quality control with regard to building construction; technical project studies; surveying; technical research; devising technical analysis methods for building construction projects; evaluation of the technical design quality of housing construction projects resulting in the issue of certificates providing entitlement to use a certification marking; evaluation of the quality of new and old homes in the collective and individual housing sector.