Construction services, namely, planning and laying out construction of industrial complexes, works of art, buildings, and factories; building construction supervision; information on construction, namely, building construction information; construction of industrial installations, real property, factories and ports; servicing and maintenance of industrial installations, real property, factories and ports, namely repair, restoration and renovation of buildings, i.e. industrial installations, real property, factories and ports; road paving; road maintenance and cleaning; drilling of wells; masonry; painting, interior and exterior; plumbing; construction services, namely installation and repair of cable networks; construction services, namely, installation of antennas, of masts for wireless aerials, electrical lines, grounding systems, cable trays; installation and repair of electric apparatus; air-conditioning apparatus installation and repair; elevator installation and repair; roofing services; installation of building insulation; building sealing services; cleaning of exterior surfaces of buildings; scaffolding repair and erection; demolition of buildings; maintenance, renovation and restoration of historical monuments, buildings and structures; rental of construction site equipment, of bulldozers, of cranes, of excavators; installation, maintenance and repair of building site machines, namely, bulldozer, crane, excavator, backhoe loader, road grader, drilling machine, asphalt paver, tractor, forklift; installation, fitting, maintenance, repair and removal services for roof covering of metal; installation, fitting, maintenance, repair and removal services for installations for filtering and purifying air for cities, for roads; installation, fitting, maintenance, repair and removal services for steam generating installations; installation, fitting, maintenance, repair and removal services for containers; installation, fitting, maintenance, repair and removal services for air-conditioning apparatus and installations; installation, fitting, maintenance, repair and removal services for shuttering for concrete of metal and for shuttering for concrete not of metal; installation, fitting, maintenance, repair and removal services for duckboards of metal ; installation, fitting, maintenance, repair and removal services for frames of metal and for frames not of metal ; installation, fitting, maintenance, repair and removal services for water-pipes of metal and for water-pipes not of metal; installation, fitting, maintenance, repair and removal services for transportable buildings of metal and for transportable buildings not of metal; installation, fitting, maintenance, repair and removal services for building frames of metal and for building frames not of metal; rental of construction equipment

Research in the field of construction, namely research on building construction in the field of glass, cement and various minerals; testing of materials, namely mechanical testing of materials; engineering services, namely, technical project planning and design; construction drafting; architecture services; engineering; engineering services in the field of construction; research and development of new products for others; industrial research and development of products for others in the field of construction; mechanical and physics research; technical research in the field of construction, and in the field of glass, cement and various minerals; quality control for others; conducting geological surveys; geological prospecting; geological research services; computer programming; software development (design); software installation; maintenance of computer software; updating of software; consultancy relating to computers; data conversion from physical to electronic media; conversion of computer programs and data, other than physical conversion; consultancy on environmental protection, namely, technical consulting in the field of environmental engineering