Manufacture and installation of industrial equipments for cold production
Repair and maintenance of house boilers
Destruction of buildings and other kind of buildings
Installation in buildings or in other projects of building of: heating systems by electricity, gas and fuel, boilers, materials and pipes for ventilation and air conditioning, etc.
Work of insulation of coolers or refrigerated warehouses
Cleaning of new buildings and restoring after works
Building of coolers, vaults, etc.
Monitoring of building works (carcass, installation, finishing, etc.)
Development of projects requiring acoustic engineering, technics of air-conditioning, cooling, refrigeration, sanitation and fight against pollution, etc.
Repair of metal products
Sanitation and other types of waste management
Electro-technical installation works at buildings
Plumbing works
Installation of heating, air-conditioning and ventilation
Other types of technical and scientific activities
Other types of cleaning of buildings; industrial cleaning
Wholesale in common building materials
Retail trade in other types of building materials in specialised shops
Architects
Electro-technical installation works, with the exception of those executed at buildings