Production and assembling of forged pieces for building: banisters, railings, etc.
Installation of secondary power supply systems (electrical generators)
Building of conveyance, distribution and water disposal networks
Building of transport and distribution lines for electricity
Building of lines and networks of telecommunication
Ground-water lowering and dredging of construction sites
Setting of electric cables and appliances
Setting of telecommunication systems and computer installations
Setting of monitoring systems and alarms against housebreakings
Setting of electrical installations of heating
Installation of blinds and florentine blinds
Installation of lifts and escalators
Setting of antennas and lightning rods
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 garage doors, blinds, louvers, grids, etc. in metal
Assembling of metal covered doors and metallic fire doors
Assembling of metallic greenhouses, verandas, etc.
Installation of inside doors, partitions,... in glass
Assembling of partitions in gypsum
Setting of glasses, mirrors, etc.
Cleaning of new buildings and restoring after works
Other works of finishing in buildings n.e.s.
Assembling of frames
Works of recovering in all materials
Setting of rainwater disposal elements
Works of leakproofing of roofs and flat roofs
Cleaning with steam, sandblasting and similar activities used on the outside of buildings
Making of repointing works
Wholesale trade of woodwork and closures of building in wood
Wholesale trade of sheet glasses
Retail trade of non electric household appliances, of sets, kitchenware, glassware, porcelains and ceramics
Production of flat-glass
Forging of metal
Production of other types of products made from metal
Construction of civil-technical works for electricity and telecommunications
Insulation works
Carpentry
Laying of floors and fitting wooden wall-coverings
Other types of works with regard to the completion of buildings
Roofing
Do-it-yourself businesses and d.i.y. shops of common building materials