MARCIN KRZYSTECZKO INSTAL-SANIT

71.12.Z - Engineering activities and related technical consultancy

41.10.Z - Realization of building projects related to erection of buildings

41.20.Z - Building works related to erection of residential and non-residential buildings

42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified

43.22.Z - Plumbing, heat and air-conditioning installation

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

46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies

47.52.Z - Retail sale of hardware, paints and glass in specialised stores

47.91.Z - Retail sale via mail order houses or via Internet

68.10.Z - Buying and selling of own real estate

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

71.11.Z - Architectural activities

74.10.Z - Specialised design activities