CERTBUD - Jacek Stępień

71.12.B - Engineering activities and related technical consultancy

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

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

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

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

43.12.Z - Site preparation for construction

43.13.Z - Performing excavations and geological-engineering drilling

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

43.23.Z - Installation of insulation

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

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

46.41.Z - Wholesale trade of textile products

47.51.Z - Retail sale of textile products

47.52.Z - Retail sale of small metal products, building materials, paints, and glass

47.54.Z - Retail sale of electrical household appliances

47.55.Z - Retail sale of furniture, lighting equipment, tableware, and other household articles

47.91.Z - Intermediary retail sale, non-specialized

47.92.Z - Intermediary retail sale, specialized

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

68.12.A - Development of residential building projects

68.12.B - Development of non-residential building projects

68.12.C - Development of building projects

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

71.11.Z - Architectural activities

74.13.Z - Interior design activities

74.99.Z - All other professional, scientific and technical activities, not elsewhere classified

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

81.30.Z - Landscaping services

91.30.Z - Conservation and restoration activities and other supporting activities for cultural heritage