Rebuilding / Remodeling, Bridge Construction, Highway Construction, Asphalting, Water-Supply Construction, Heating Systems Installation, Electrical Work / Indoor, Electrical Work / Outdoor, Lighting Systems, Freight Services, 03.04. Residential / Commercial and Industrial Buildings, Category 2 (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), Category 3 (03.06), 03.09. Transportation Structures and Highways (Roads and Railways / Airports / Bridges / Tunnels / Overpasses / Retaining Walls etc.), Category 1 (03.09)

High-Rise Construction, Residential Construction, Commercial Construction, Rebuilding / Remodeling, Industrial Construction, Hydraulic Engineering Construction, Power Engineering Construction, Tunnel Construction, Bridge Construction, Highway Construction, Power Line Construction, Water-Supply Construction, Earthworks, Drilling Works, Pumping Station Construction, Electrical Work / Indoor, Electrical Work / Outdoor, Renewable Energy Supply / Installations, Irrigation Systems, Gasoline / Gas Stations Construction, Residential Renovation / Finishing, Commercial Building Renovation / Finishing, Industrial / Heavy Civil Facilities Renovation / Finishing, 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 2 (03.05), 03.07. Hydraulic Structures, Category 3 (03.07), 03.08. Water Supply and Drainage / Melioration Systems, Category 1 (03.08)

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)

Irrigation / Drainage Construction, Tunnel Construction, Bridge Construction, Highway Construction, Water-Supply Construction, Earthworks, Demolition, Blasting Works, Drilling Works, Water Supply / Sewage Work - Outdoor, Heavy Construction Equipment Rental, Excavators, Bulldozers, Drilling Trucks, Trucks, Dump Trucks, Tank Trucks, Tow Trucks / Wreckers, Heavy Haulers, 03.04. Residential / Commercial and Industrial Buildings, Category 2 (03.04), 03.07. Hydraulic Structures, Category 1 (03.07), 05.11. Engineering Geological Survey, Category 1 (05.11)

Commercial Construction, Dwelling House / Mansion Construction, Rebuilding / Remodeling, Hydraulic Engineering Construction, Tunnel Construction, Bridge Construction, Sport Facilities Construction, Highway Construction, Earthworks, Demolition, Earthworks / Demolition Other Activities - , Heating Systems Installation, Ventilation Systems Installation, Other - HVAC / Refrigeration - , Water Supply / Sewage Work - Indoor / Plumbing, Water Supply / Sewage Work - Outdoor, Electrical Work / Indoor, Electrical Work / Outdoor, Lighting Systems, Waterproofing, Thermal / Heat Insulation, Terracotta Tile Roofing, Laminate Flooring Installation, Special-Purpose Flooring Installation, Glass Floor Installation, Hardwood / Parquet Flooring, Natural Stone Flooring, Ceramic Tile Flooring, Underfloor Heating Systems, Dropped / False Ceiling Installation, Residential Renovation / Finishing, Commercial Building Renovation / Finishing, Industrial / Heavy Civil Facilities Renovation / Finishing, Finishing and Renovation Works Other Activities