Dariusz Pożyczka 1) HYDROEXPERT,

46.84.Z - Wholesale trade of metal products and hydraulic and heating equipment and accessories

41.00.A - Construction work related to the construction of residential buildings

41.00.B - Construction work related to the construction of non-residential buildings

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

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

43.23.Z - Installation of insulation

43.24.Z - Installation of other building systems

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

43.35.Z - Performing other finishing construction works

43.41.Z - Performing roof structures and coverings

43.42.Z - Performing other specialized construction works related to the construction of buildings

43.50.Z - Specialized construction works in the field of civil and water engineering

43.60.Z - Intermediation in specialized construction services

43.91.Z - Masonry works

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

46.83.Z - Wholesale trade of wood, construction materials, and sanitary equipment

47.12.Z - Other non-specialized retail trade

47.78.Z - Retail sale of other new products

47.92.Z - Intermediary retail sale, specialized

66.19.Z - Other activities supporting financial services, excluding insurance and pension funds

70.20.Z - Business and management consultancy activities

71.12.B - Engineering activities and related technical consultancy