Construction of civil-technical works for electricity and telecommunications
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Plumbing works
Installation of heating, air-conditioning and ventilation
Other types of building installations
Intermediation of machines, devices, tools used in the industry as well as in ships and aircraft
Intermediation of furniture, domestic products and ironwork
Installation in buildings or in other projects of building of: pumbling systems and hygiene appliances, pipes for gas and water (except for heating), setting of automatic extinguishers, etc.
Building of coolers, vaults, etc.
Production of electro motors, electric generators and transformers
Production of non-domestic machines and devices used for cooling and air-conditioning
Repair of electronic devices
Retail trade in sanitary products and sanitary installation materials in specialised shops
Repair of domestic devices and of equipment used in house and in the garden
Repair of other types of consumer goods
Retail trade in other types of building materials in specialised shops
Other types of business services
Installation of industrial machines, devices and equipment