Building construction (buildings and public works); repair; installation services; supervision of building work and installation work; installation and maintenance of all kinds of electrical and electromechanical equipment for industrial or collective use; installation and maintenance of telecommunication networks and information networks; installation and maintenance of equipment and systems for the transmission and distribution of energy; installation and maintenance of automatic processes; installation and maintenance of all transport systems and infrastructures (rail, urban, superhighway, marine or airport); building construction, installation and maintenance of power plants; installation and maintenance of air conditioning systems; construction, remediation and upkeep of all-purpose buildings; construction, remediation and maintenance of infrastructures, civil engineering structures, pipelines; underground, marine and river structures; development of special foundations (building); maintenance of housing complexes; rental of building site machines and building equipment; advice and consultancy in connection with construction (buildings - public works)

Telecommunications and information on telecommunications; electronic mail; communications by computer terminals; computer aided transmission of messages and images; transmission by satellite, by cable and by fiber optics; telephone and mobile telephone communications and services; cable television broadcasting; rental of access time to a database server center

Construction and repair services; installation and repair of electric apparatus, engineering work, public works and civil engineering; machinery installation, maintenance and repair; construction and maintenance of industrial installations and buildings; installation of telephone networks, cable networks, company communication systems, computer networks, electric networks

Communication; message sending

Machines and machine tools

Hand tools and implements