19 Building materials (non-metallic), such as cement, concrete, mortar, stone, lime, gypsum, gravel, floor tiles, partitions, brick, tiles, mosaics, non-metallic rigid pipes for building; asphalt, pitch and bitumen, transportable buildings not of metal, such as modules, panels, precast columns and monuments not of metal.
35 Rental of advertising space; commercial and industrial business organisation and management consultancy and assistance; business management; business management consultancy; accounting and personnel management; business appraisals, research and marketing studies; organization of exhibitions for commercial or advertising purposes.
36 Real-estate management services; financial analysis; capital investments; financial consultancy; financial business, operations and transactions.
37 Services provided for all types of building and repair of buildings and road surfaces, mainly the installation of floor and drainage surfaces, glass for windows, demolition, disinfecting of installations and rat exterminating, cabinet work, general cleaning of buildings, restoring and conservation of furniture, assembly of scaffolding and plastering.
38 Communications by computer terminals, information relating to telecommunications, computer-aided transmission of messages and images.
39 Transport, distribution, sending and unloading, by any means, of all kinds of materials for building.
41 Education, mainly through the organisation and management of clubs, competitions, conferences, forums, symposia, colloquiums, congresses, courses, arrangement of programmes by any means of communication and exhibitions relating to the building sector and the community in general; also, through correspondence courses mainly over the Internet and other mass media.
42 Computer consultancy, professional consultancy relating to computing, telecommunications and information technology; patent exploitation; research and development relating to computers, telecommunications and information technology; licensing of intellectual property; computer programming; computer software design, upgrading and rental; assistance relating to building, engineering, architecture; assistance in the use of building materials and building designs, commercialization and/or general provision of all kinds of materials.