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

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