6
Houses of metal or predominately of metal; prefabricated houses of metal or predominately of metal; residential houses, dwelling houses of metal or predominately of metal; buildings of metal or predominately of metal; metal building materials; metal components of buildings and houses
19
Houses of non-metal or predominately of non-metal; prefabricated houses of non-metal or predominately of non-metal; residential houses, dwelling houses of non-metal or predominately of non-metal; wooden houses; buildings of non-metal or predominately of non-metal; non-metal building materials; non-metal components of buildings and houses
36
Real estate affairs; real estate services relating to the sale, purchase and leasing of real estate; sale, purchase and leasing of homes and apartments; sale, purchase and leasing of land; real estate agency and brokerage services
37
Building, construction, repair and maintenance services in relation to real estate, houses, buildings, civil works and infrastructure projects; construction, repair, maintenance and improvement of houses and buildings; construction information; information relating construction and repair of houses and buildings; construction consultancy; building construction supervision; operation, check, maintenance or repair of building equipment; real estate developments services; land development services
42
Architectural design; residential building design; planning and design services in relation to real estate, houses, buildings, civil works and infrastructure projects; architectural consultation; surveying; geological surveys and research; research on building construction or city planning
44
Landscape construction; landscape design