Non-metallic building materials, namely, fiberglass panels, floor boards, fascia; rigid pipes, not of metal, for building; asphalt, pitch and bitumen; transportable buildings, not of metal; monuments, not of metal; blocks of concrete; blocks made of concrete for coastal protection; concrete building materials; concrete building elements; concrete retaining walls

Construction of civil engineering structures by laying concrete; services for the construction of buildings and infrastructures; consultancy services in the field of construction; supervision of construction works; information in the field of construction of buildings and infrastructures; rental of construction machinery and equipment; rental of tools, machines and equipment for construction and demolition; repair and maintenance of buildings and structures; information on repairs in the field of building and infrastructures repair; cleaning services for buildings; installation services for electrical systems, appliances, windows during the construction of buildings and structures

Technological consultancy and engineering services, as well as research, technology design, planning and supervision of structures, infrastructures and buildings in the civil, railway, aeronautical and naval engineering fields; technical project study in the nature of engineering feasibility studies; research relating to environmental protection; quality control for others; planning and consultancy relating to architecture; development of construction projects in the nature of design of buildings and infrastructures; geological analyses and testing for the construction industry; design of engineering construction systems; engineering analysis of the structural behavior of building materials; research on the construction of buildings or urban planning; development of computer programs designed for use in construction and engineering; measurement of environmental conditions in civil engineering structures; conducting of engineering surveys