Provision of services in the construction sector, in particular new and renovation of buildings; general masonry, plastering and painting work; flooring work; insulation and sealing work; metal construction, locksmithing and tinsmithing work; garden and environmental work; maintenance and construction-related services; export and import of and trade in building materials, mixed goods, construction and agricultural machinery and metal goods; administration, purchase, sale of and trade in real estate; financing and their brokerage; participations; acquisition and disposal of real property.