"AER" Tomasz Czempiński

28.25.Z - Manufacture of industrial cooling and ventilation equipment

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

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

43.31.Z - Plastering

43.32.Z - Joinery installation

43.33.Z - Floor and wall covering

43.34.Z - Painting and glazing

43.91.Z - Roofing activities

43.99.Z - Other specialised construction activities not elsewhere classified

46.43.Z - Wholesale of electrical household appliances

46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof

46.69.Z - Wholesale of other machinery and equipment

46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies

46.75.Z - Wholesale of chemical products

46.90.Z - Non-specialised wholesale trade

47.52.Z - Retail sale of hardware, paints and glass in specialised stores

47.54.Z - Retail sale of electrical household appliances in specialised stores

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

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

71.12.Z - Engineering activities and related technical consultancy

71.20.B - Other technical testing and analysis

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

77.39.Z - Rental and leasing of other machinery, equipment and tangible goods not elsewhere classified

81.22.Z - Specialised building and industrial cleaning activities

85.60.Z - Educational support activities

95.22.Z - Repair and maintenance of household appliances and home and garden equipment