Hydro-Baltic Bartosz Jankowski

71.12.Z - Engineering activities and related technical consultancy

36.00.Z - Extraction, treatment, and supply of water

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

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

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

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

43.29.Z - Specialized construction works

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

71.20.A - Food quality testing and analysis

71.20.B - Inspection and issuing opinions on the technical condition of chimneys and ventilation ducts

77.12.Z - Rental and leasing of trucks

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

77.39.Z - Rental and leasing of other machinery, equipment, and tangible assets, not elsewhere classified