6
Metal building materials; transportable buildings of metal; cables and wires of common metal; pipes and tubes of metal; metal hardware; components of metal for structural and civil engineering, in particular components of metal for bridges, roads, motorways, airports, tunnels, roof trusses and buildings; metal shuttering and casing for civil engineering
19
Building materials, non-metallic, for building; components (not of metal) for structural and civil engineering, in particular components (not of metal) for bridges, roads, motorways, airports, tunnels, roof trusses and buildings; non-metallic shuttering and casing for civil engineering
35
Building, namely the organisational preparation of building projects; development of usage concepts for real estate with regard to professional business matters (facility management)
36
Real estate affairs; management of real estate, management of property; financial preparation of building projects; financial project studies
37
Building construction; construction management services; technical arranging and conducting of building projects; construction of buildings and installations, in particular apartments, hotels, hospitals, administrative buildings, retail buildings, industrial buildings, civil defence installations, dams, embankments, roof systems and subways, hydroelectric installations, combined heat and power plants, nuclear power plants, coastal structures and river landscaping; construction of airports; construction of tunnels, bridges, galleries, construction of road tunnels, motorway tunnels, parking areas; joinery and roof framework services; special foundation works, in particular posts, retaining walls, nailed walls and shoring of metal, lowering of groundwater levels, advertisement boards, micro-tunnelling, hydraulic works, anchoring devices, fountains, deep boreholes; special services for cutting concrete (sawing and drilling, breaking); special construction services using synthetic materials (static reinforcements, repairing reinforcements, anchoring pylons and seals, hydraulic services, floor covering, seals, use of plastic fibres); exploitation of stone and gravel quarries; boring of wells; maintenance, repair, renovation, restoration and extension of tunnels, bridges, galleries, residential buildings, retail and administrative buildings; rental of construction machines and excavation machines; assembly of scaffolding, shoring, temporary roofs; cleaning of buildings; road surfacing and floor covering; supervision over construction works
40
Recycling of materials
42
Architecture; architectural consultancy, in particular testing construction methods; investigations for building project rationalisation and optimisation; construction drafting; technical project studies; testing acoustics and sound insulation, testing reverberation, energy consultancy, in particular for private houdeholds, small and medium-sized enterprises; construction drafting; geological prospecting, engineering drawing (tests, expertise, laboratory experiments, laboratory tests)