"HYDRO" PIOTR RYNKOWSKI

74.10.Z - Specialized design activities

41.10.Z - Construction work related to the construction of residential and non-residential buildings

41.20.Z - Construction work related to the construction of residential and non-residential buildings

42.11.Z - Works related to the construction of roads and highways

42.21.Z - Works related to the construction of transmission pipelines and distribution networks

42.22.Z - Works related to the construction of telecommunications and electrical lines

42.91.Z - Works related to the construction of water engineering objects

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.21.Z - Installation of electrical systems

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

43.29.Z - Specialized construction works

43.31.Z - Plastering

43.33.Z - Flooring, wallpapering, and cladding of walls

43.39.Z - Specialized construction works

43.99.Z - Other specialized construction works, not classified elsewhere

68.20.Z - Rental and management of own or leased real estate

68.31.Z - Real estate brokerage

68.32.Z - Other real estate activities on behalf of third parties

70.21.Z - Head office activities and management consultancy

70.22.Z - Head office activities and management consultancy

71.11.Z - Architectural activities

71.12.Z - Engineering activities and related technical consultancy

74.20.Z - Photographic activities

77.11.Z - Rental and leasing of passenger cars and light motor vehicles

77.12.Z - Rental and leasing of trucks

77.32.Z - Rental and leasing of construction machinery and equipment

77.33.Z - Rental and leasing of office machinery and equipment, including computers

45.11.Z

45.19.Z