Piotr Czajka

26.20.Z - Manufacture of computers and peripheral equipment

26.30.Z - Manufacture of(tele)communication equipment

27.90.Z - Manufacture of other electrical equipment

29.31.Z - Manufacture of electrical and electronic equipment for motor vehicles

43.11.Z - Demolition

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

43.39.Z - Other building completion and finishing

43.91.Z - Roofing activities

43.99.Z - Other specialised construction activities not elsewhere classified

45.11.Z - Sale of cars and light motor vehicles

45.19.Z - Sale of other motor vehicles, excluding motorcycles

45.31.Z - Wholesale trade of motor vehicle parts and accessories, excluding motorcycles

45.32.Z - Retail trade of motor vehicle parts and accessories, excluding motorcycles

45.40.Z - Sale, maintenance and repair of motorcycles and related parts and accessories

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

49.32.Z - Taxi operation

58.29.Z - Other software publishing

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

63.11.Z - Data processing, hosting and related activities

73.11.Z - Advertising agencies activities