Trade intermediaries for electric and electronic equipments, including installation equipments for industrial use
Trade intermediaries for supplies for plumbering, equipments of electric system for houses and heating systems
Retail trade of non electric household appliances, of sets, kitchenware, glassware, porcelains and ceramics
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Development, assembling and maintenance of control systems in non stop industrial process
Development, assembling and maintenance of automatic production units, including several machines, handling equipments and appliances for centralized control
Work of maintenance and mechanical repairs for third parties
Installation of heating, air-conditioning and ventilation
Retail trade in electronic domestic devices in specialised shops
Other types of technical and scientific activities
Repair of machines
Repair of electronic devices
Construction of residential buildings
Construction of office buildings
Construction of other types of non-residential buildings