High-Rise Construction, Residential Construction, Commercial Construction, Dwelling House / Mansion Construction, Rebuilding / Remodeling, Reconstruction and Restoration of Historical and Cultural Value Buildings, Highway Construction, Heating Systems Installation, Water Supply / Sewage Work - Indoor / Plumbing, Water Supply / Sewage Work - Outdoor, Melioration Systems, Electrical Work / Indoor, Electrical Work / Outdoor, Wind Power Plants, Burglar Alarm Installation, Video Surveillance, Access Control Systems, Intercom Systems / Local Networks, Data Centers Equipment Installation, Data Centers Construction, Telecommunication and Signaling Systems, 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), 03.06. HVAC / Gas Supply, Category 1 (03.06), 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), 03.10. Communication Systems (Telecommunication and Signaling Systems / Transmitters / Receivers / Antennas / Amplifiers), Category 1 (03.10)

Dwelling House / Mansion Construction, Rebuilding / Remodeling, Water Supply / Sewage Work - Indoor / Plumbing, Electrical Work / Indoor, Commercial Building Renovation / Finishing, Residential Renovation / Finishing

Commercial Construction, Residential and Commercial Construction Other Activities - Design and construction of wastewater treatment facilities, Heavy Civil Construction, Hydraulic Engineering Construction, Water-Supply Construction, Sewage Construction, Industrial and Heavy Civil Construction Other Activities - Design and construction of wastewater treatment facilities/Water Supply / Sewage Work / Outdoor Water Treatment, Prefabricated Construction, Modular / Prefabricated Construction Other Activities - Design and construction of wastewater treatment facilities/Water Supply / Sewage Work / Outdoor Water Treatment, Water Supply / Sewage Work - Indoor / Plumbing, Water Supply / Sewage Work - Outdoor, Pumping Station Construction, Water Treatment, Natural Gas Supply, Other - Water Supply / Sewage / Natural Gas Supply - Design and construction of wastewater treatment facilities/Water Supply / Outdoor Water Treatment

Residential Construction, Commercial Construction, Dwelling House / Mansion Construction, Rebuilding / Remodeling, Industrial Construction, Heavy Civil Construction, Power Engineering Construction, Sport Facilities Construction, Residential Modular Construction, Steel Building Construction, Prefabricated Construction, Earthworks, Demolition, Garbage Disposal, Heating Systems Installation, Ventilation Systems Installation, Air-Conditioning Installation, Refrigeration Installation, Water Supply / Sewage Work - Indoor / Plumbing, Water Supply / Sewage Work - Outdoor, Pumping Station Construction, Water Treatment, Natural Gas Supply, Gas Equipment Installation, Electrical Work / Indoor, Electrical Work / Outdoor, Lighting Systems, Renewable Energy Supply / Installations, Waterproofing, Thermal / Heat Insulation, Vapor Sealing, Sound / Vibration Insulation, Sound Absorption / Acoustics, Rolled Roofing, Corrugated Sheet Roofing, Sheet Metal Roofing, Terracotta Tile Roofing, Polycarbonate / Glass Roofing, Bitumen Sheet Roofing, Gutters / Downspouts Installations, Roof De-Icing Systems / Solutions, Green Roofs, Rolled Flooring Installation, Laminate Flooring Installation, Special-Purpose Flooring Installation, Glass Floor Installation, Raised Floor Installation, Hardwood / Parquet Flooring, Natural Stone Flooring, Ceramic Tile Flooring, Underfloor Heating Systems, Self-Leveling Floors, Floor Screeding (Cement-Sand), Terrazzo Mosaic Flooring, Natural Stone Floor Sanding / Polishing, Wooden Floor Sanding / Polishing, Terrace Decking, Dropped / False Ceiling Installation, Stretch Ceiling Installation, Ventilated Facades Installation, Facade Glazing / Curtain Walls, Stone Facing, Aluminum Composite Panel Facing, Siding, Drywall Installation, Mosaic Making, Other - Facing, Wooden Stairs, Metal Stairs, Concrete Stairs Construction, Natural Stone Stairs, Glass Stairs, Modular Stairs Installation, Modular Railing Installation, Metal Work, Electric Welding, Fireplace Construction, De-Icing Systems / Solutions, Residential Renovation / Finishing, Commercial Building Renovation / Finishing, Industrial / Heavy Civil Facilities Renovation / Finishing

High-Rise Construction, Residential Construction, Commercial Construction, Dwelling House / Mansion Construction, Rebuilding / Remodeling, Industrial Construction, Heavy Civil Construction, Hydraulic Engineering Construction, Power Engineering Construction, Irrigation / Drainage Construction, Greenhouse Construction, Sport Facilities Construction, Telecommunication Facilities / Network Construction, Highway Construction, Asphalting, Power Line Construction, Water-Supply Construction, Earthworks, Demolition, Drilling Works, Heating Systems Installation, Ventilation Systems Installation, Air-Conditioning Installation, Refrigeration Installation, Water Supply / Sewage Work - Indoor / Plumbing, Water Supply / Sewage Work - Outdoor, Pumping Station Construction, Water Treatment, Natural Gas Supply, Electrical Work / Indoor, Electrical Work / Outdoor, Lighting Systems, Renewable Energy Supply / Installations, Waterproofing, Thermal / Heat Insulation, Vapor Sealing, Sound / Vibration Insulation, Sound Absorption / Acoustics, Rolled Roofing, Corrugated Sheet Roofing, Sheet Metal Roofing, Terracotta Tile Roofing, Polycarbonate / Glass Roofing, Bitumen Sheet Roofing, Gutters / Downspouts Installations, Roof De-Icing Systems / Solutions, Green Roofs, Burglar Alarm Installation, Video Surveillance, Fire Alarm Installation, Fire Suppression Installation, Access Control Systems, Smart House Systems, Intercom Systems / Local Networks, Tower Crane Erection, Processing Equipment Erection, Other - Installation / Erection, Facade Glazing / Curtain Walls, Stone Facing, Aluminum Composite Panel Facing, Siding, Drywall Installation, Scaffolding Rental, Ladders Rental, Scaffolding / Formwork, Mobile Scaffolding / Work Platforms Rental, Engineered Formwork Systems Rental, Other Work Platforms, Heavy Construction Equipment Rental, Excavators, Trucks, Crane Trucks, Bucket / Aerial Lift Trucks, De-Icing Systems / Solutions, Residential Renovation / Finishing, Commercial Building Renovation / Finishing, Industrial / Heavy Civil Facilities Renovation / Finishing