USŁUGI PROJEKTOWE OLGA STEFANIAK-WITKOWSKA

71.11.Z - Architectural activities

41.20.Z - Construction work related to the construction of residential and non-residential buildings

43.21.Z - Installation of electrical systems

43.29.Z - Specialized construction works

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

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

43.34.Z - Painting and glazing

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

46.12.Z - Activity of agents involved in wholesale trade of fuels, ores, metals, and industrial chemicals

46.13.Z - Activity of agents involved in wholesale trade of wood and building materials

47.19.Z - Retail trade

47.59.Z - Retail trade

71.12.Z - Engineering activities and related technical consultancy

74.10.Z - Specialized design activities

74.90.Z - Other professional, scientific and technical activities, not elsewhere classified