Residential Construction, Commercial Construction, Dwelling House / Mansion Construction, Rebuilding / Remodeling, Pouring Concrete, Concrete Pump Services, 03.04. Residential / Commercial and Industrial Buildings, Category 2 (03.04)

High-Rise Construction, Industrial Construction, Highway Construction, Asphalting, Prefabricated Construction, Earthworks, Demolition, Heavy Construction Equipment Rental, Excavators, Mini Excavators, Bulldozers, Scrapers, Asphalt / Concrete Pavers, Road Rollers / Compactors, Road Graders, Drilling Trucks, Tunnel Boring Machines, Trucks, Dump Trucks, Truck Mixers / Agitating Trucks

Hydraulic Engineering Construction, Power Engineering Construction, Irrigation / Drainage Construction, Bridge Construction, Highway Construction, Asphalting, Earthworks, 03.04. Residential / Commercial and Industrial Buildings, Category 1 (03.04), 03.05. Power Supply (Internal and External Power Supply and Lighting Networks / Power Supply Systems / Photovoltaic and Wind Power Plants), Category 1 (03.05), 03.07. Hydraulic Structures, Category 1 (03.07), 03.08. Water Supply and Drainage / Melioration Systems, Category 1 (03.08), 03.09. Transportation Structures and Highways (Roads and Railways / Airports / Bridges / Tunnels / Overpasses / Retaining Walls etc.), Category 1 (03.09)

Telecommunication Facilities / Network Construction, Burglar Alarm Installation, Video Surveillance, Fire Alarm Installation, Access Control Systems, Intercom Systems / Local Networks

Heating Systems Installation, Ventilation Systems Installation, Air-Conditioning Installation, Refrigeration Installation, Water Supply / Sewage Work - Indoor / Plumbing, Pumping Station Construction, Water Treatment, Melioration Systems, Electrical Work / Indoor, Lighting Systems, Renewable Energy Supply / Installations, Burglar Alarm Installation, Fire Alarm Installation, Fire Suppression Installation, Access Control Systems, Smart House Systems, 01.06. HVAC / Gas Supply, Category 1 (01.06), 01.08. Water Supply and Drainage / Melioration Systems, Category 1 (01.08), 03.06. HVAC / Gas Supply, Category 1 (03.06), 03.08. Water Supply and Drainage / Melioration Systems, Category 1 (03.08)