Doradztwo Techniczne Wojciech Ratajczak

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

42.91.Z - Works related to construction of water projects

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

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

43.29.Z - Other construction installation

43.39.Z - Other building completion and finishing

43.99.Z - Other specialised construction activities not elsewhere classified

47.99.Z - Other retail sale not in stores, stalls or markets

71.11.Z - Architectural activities

71.12.Z - Engineering activities and related technical consultancy

71.20.B - Other technical testing and analysis

72.19.Z - Other research and experimental development on natural sciences and engineering

74.10.Z - Specialised design activities

74.30.Z - Translation and interpretation activities

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

85.59.B - Other out-of-school forms of education, not elsewhere classified