High-Rise Construction, Residential Construction, Commercial Construction, Dwelling House / Mansion Construction, Industrial Construction, Hydraulic Engineering Construction, Greenhouse Construction, Telecommunication Facilities / Network Construction, Water-Supply Construction, Sewage Construction, Industrial / Commercial Modular Construction, Steel Building Construction, Prefabricated Construction, Ventilation Systems Installation, Air-Conditioning Installation, Water Supply / Sewage Work - Indoor / Plumbing, Water Supply / Sewage Work - Outdoor, Pumping Station Construction, Melioration Systems, Electrical Work / Indoor, Electrical Work / Outdoor, Wind Power Plants, Burglar Alarm Installation, Video Surveillance, Fire Alarm Installation, Fire Suppression Installation, Access Control Systems, Smart House Systems, Intercom Systems / Local Networks, Telecommunication and Signaling Systems, Processing Equipment Erection, Metal Work, Electric Welding, Lightning Rods Installation, 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 3 (03.05), 03.07. Hydraulic Structures, Category 3 (03.07), 03.08. Water Supply and Drainage / Melioration Systems, Category 1 (03.08), 03.10. Communication Systems (Telecommunication and Signaling Systems / Transmitters / Receivers / Antennas / Amplifiers), Category 3 (03.10)

Residential Construction, Commercial Construction, Dwelling House / Mansion Construction, 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, 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, 03.04. Residential / Commercial and Industrial Buildings, Category 3 (03.04)

Industrial Construction, Hydraulic Engineering Construction, Sport Facilities Construction, Industrial / Commercial Modular Construction, Residential Modular Construction, Steel Building Construction, Prefabricated Construction, Modular / Prefabricated Construction Other Activities - Manufacturing of portable cabins, Fence / Enclosure Construction, Tower Crane Erection, Escalator Installation, Other - Installation / Erection - , Stone Facing, Stone Processing Machines, Light Construction Equipment / Devices, Concrete Mixers, Construction Trailers, Metal Work, Smithery / Metal Art, Electric Welding, Gas Welding, Artistic Metal Works, Gasoline / Gas Stations Construction, 03.04. Residential / Commercial and Industrial Buildings, Category 3 (03.04)

Metal Work, Electric Welding, Gas Welding, Metal Laser Cutting, Artistic Metal Works, Metal Powder Coating

High-Rise Construction, Residential Construction, Rebuilding / Remodeling, Power Engineering Construction, Industrial / Commercial Modular Construction, Residential Modular Construction, Steel Building Construction, Earthworks, Drilling Works, Electrical Work / Indoor, Electrical Work / Outdoor, Lighting Systems, Renewable Energy Supply / Installations, Electric Welding, 03.05. Power Supply (Internal and External Power Supply and Lighting Networks / Power Supply Systems / Photovoltaic and Wind Power Plants), Category 1 (03.05)