Installation of heating, air-conditioning and ventilation
Insulation works
Carpentry
Laying of floors and fitting wooden wall-coverings
Glazing
Other types of specialised building activities
Manufacture and installation of industrial equipments for cold production
Manufacture of machines and appliances for air conditioning
Repair and maintenance of house boilers
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.
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)
Setting of electrical installations of heating
Assembling of inside and outside woordworks: doors, windows, closets of equipped kitchens, shop equipments, frames for windows and doors, etc.
Assembling of movable partitions, recoverings for walls, ceilings, etc.
Assembling of garage doors, blinds, louvers, grids, etc.
Assembling of metal covered doors, fire doors
Assembling of greenhouses, verandas, etc.
Assembling of inside and outside metallic woordworks: doors, windows, frames for windows and doors, stairs, closets for equipped kitchens, shop equipments, etc.
Assembling of movable partitions, recoverings for walls, ceilings, etc., in metal
Assembling of inside and outside woodwork in plastic
Building of coolers, vaults, etc.
Reconditioning of engine of automobile vehicles
Production of non-domestic machines and devices used for cooling and air-conditioning
Repair of electronic devices
Repair of other types of instruments
Installation of industrial machines, devices and equipment
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings