Real estate development of new houses or alterations
Building of settling tanks and other devices for water disposal
Making of horizontal drillings for cables or pipes
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.
Installation in buildings or in other projects of building of: heating, cooling and ventilation systems (except heating)
Application in buildings and in other projects of building of gypsum or stucco, inside and outside, including the associated lathing materials
Setting in buildings or other projects of building of: wall recoverings or tiles in ceramic, in concrete or in freestones; floorings and wall recovering in granites, etc.
Trade intermediaries for supplies for plumbering, equipments of electric system for houses and heating systems
Wholesale trade of appliances for heating
Development of projects requiring acoustic engineering, technics of air-conditioning, cooling, refrigeration, sanitation and fight against pollution, etc.
Chimney sweeping and cleaning of hearths, ovens, incinerators, boilers, air ducts and smoke removal appliances
Installation of heating, air-conditioning and ventilation
Insulation works
Plastering work
Laying of floor and wall tiles
Works with cement concrete
Wholesale in installation materials used by plumbers and for the installation of heating
Other types of cleaning of buildings; industrial cleaning