Industrial Construction, Heavy Civil Construction, Hydraulic Engineering Construction, Power Engineering Construction, Tunnel Construction, Bridge Construction, Highway Construction, Asphalting, Gas Pipeline Construction, Power Line Construction, Water-Supply Construction, Sewage Construction, 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 2 (03.05), 03.06. HVAC / Gas Supply, Category 2 (03.06), 03.08. Water Supply and Drainage / Melioration Systems, Category 2 (03.08), 03.09. Transportation Structures and Highways (Roads and Railways / Airports / Bridges / Tunnels / Overpasses / Retaining Walls etc.), Category 1 (03.09)

Residential Construction, Dwelling House / Mansion Construction, Rebuilding / Remodeling, Industrial Construction, Hydraulic Engineering Construction, Sport Facilities Construction, Gas Pipeline Construction, Water-Supply Construction, Earthworks, Water Supply / Sewage Work - Indoor / Plumbing, Water Supply / Sewage Work - Outdoor, Natural Gas Supply

Residential Construction, Commercial Construction, Dwelling House / Mansion Construction, Rebuilding / Remodeling, Industrial Construction, Heavy Civil Construction, Highway Construction, Asphalting, Gas Pipeline Construction, Water-Supply Construction, Sewage Construction, Steel Building Construction, Earthworks, Demolition, Garbage Disposal, Heating Systems Installation, Water Supply / Sewage Work - Indoor / Plumbing, Electrical Work / Indoor, Furniture Repair Services, Residential Renovation / Finishing, Commercial Building Renovation / Finishing, Industrial / Heavy Civil Facilities Renovation / Finishing