Handel i Usługi Krystian Olszewski

74.20.Z - Photographic activities

43.21.Z - Electrical installation

43.31.Z - Plastering

43.32.Z - Joinery installation

43.34.Z - Painting and glazing

43.39.Z - Other building completion and finishing

43.99.Z - Other specialised construction activities not elsewhere classified

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

77.11.Z - Rental and leasing of cars and light motor vehicles

81.10.Z - Combined facilities support activities

81.21.Z - General cleaning of buildings

81.22.Z - Specialised building and industrial cleaning activities

81.29.Z - Other cleaning activities

95.12.Z - Repair and maintenance of (tele)communication equipment