Drilling, turning, countersinking, shaving, planing, lapping, broach, dressing, sawing, grinding, sharpening, etc. of metallic pieces
Repair and maintenance of house boilers
Installation of secondary power supply systems (electrical generators)
Making of carcass of buildings
Terracing work: digging, grading of construction sites, opening of trenches, removal of rocks, destruction with explosives, etc.
Ground-water lowering and dredging of construction sites
Removal on construction sites
Setting of electric cables and appliances
Setting of monitoring systems and alarms against housebreakings
Setting of electrical installations of heating
Other work of n.e.s. installation, including accessories installation
Work of general installation
Assembling of garage doors, blinds, louvers, grids, etc.
Assembling of garage doors, blinds, louvers, grids, etc. in metal
Cleaning of new buildings and restoring after works
Other works of finishing in buildings n.e.s.
Inside cleaning of all kind of buildings: offices, industries, institutional premises and other premises for professional or trade use, apartment buildings, etc
Cutting of trees and hedges
Design and maintenance of gardens, parks and green places for sport facilities
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
Insulation works
Other types of specialised building activities
Trade in own real estate
Other types of cleaning of buildings; industrial cleaning
Installation of industrial machines, devices and equipment
Construction of residential buildings
Construction of sewerage systems
Preparing land for construction
Ancillary activities concerning cultivation of crops