JANUSZ KONRAD PIOTROWSKI

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

25.62.Z - Mechanical working of metal elements

43.21.Z - Electrical installation

45.20.Z - Maintenance and repair of motor vehicles, excluding motorcycles

46.31.Z - Wholesale of fruit and vegetables

46.32.Z - Wholesale of meat and meat products

46.38.Z - Wholesale of other food, including fish, crustaceans and molluscs

46.49.Z - Wholesale of other household goods

46.90.Z - Non-specialised wholesale trade

47.21.Z - Retail sale of fruit and vegetables in specialised stores

47.23.Z - Retail sale of fish, crustaceans and molluscs in specialised stores

47.76.Z - Retail sale of flowers, plants, seeds, fertilisers, pet animals and pet food in specialised stores

82.30.Z - Organisation of conventions and trade shows

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