ANDRZEJ FRONC "CERTEL"

33.12.Z - Repair and maintenance of machinery

33.14.Z - Repair and maintenance of electrical equipment

33.20.Z - Installation of industrial machinery and equipment and outfit

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

42.22.Z - Works related to construction of telecommunications and electricity lines

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

43.12.Z - Site preparation

43.21.Z - Electrical installation

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

43.29.Z - Other construction installation

43.31.Z - Plastering

43.32.Z - Joinery installation

43.33.Z - Floor and wall covering

43.34.Z - Painting and glazing

43.39.Z - Other building completion and finishing

43.91.Z - Roofing activities

43.99.Z - Other specialised construction activities not elsewhere classified

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

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

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

71.11.Z - Architectural activities

71.12.Z - Engineering activities and related technical consultancy

71.20.B - Other technical testing and analysis

74.10.Z - Specialised design activities

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

85.59.A - Teaching of foreign languages

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