Jacek Sobolewski

08.12.Z - Extraction of gravel, sand, clay, and kaolin

08.11.Z - Extraction of ornamental stones, limestone, gypsum, shale, and other stones and rocks

25.11.Z - Production of metal constructions and their parts

42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere

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

43.34.Z - Painting and glazing

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

43.91.Z - Masonry works

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

47.11.Z - Non-specialized retail trade with a predominance of food, beverages, or tobacco products

47.12.Z - Other non-specialized retail trade

47.78.Z - Retail sale of other new products

47.91.Z - Intermediary retail sale, non-specialized

56.11.Z - Restaurants and other permanent food service activities

56.12.Z - Mobile food service activities

56.21.Z - Occasional preparation and delivery of food for external clients (occasional catering)

56.22.Z - Regular preparation and delivery of food for external clients (regular catering) and other food service activities

56.30.Z - Beverage serving activities

68.11.Z - Buying and selling real estate on own account

81.22.B - Other cleaning of buildings and industrial premises, not elsewhere classified

81.23.B - Other cleaning services, not elsewhere classified