Piotr Kowalczyk

46.19.Z - Agents involved in the sale of a variety of goods

02.20.Z - Logging

46.13.Z - Agents involved in the sale of timber and building materials

46.73.Z - Wholesale of wood, construction materials and sanitary equipment

53.20.Z - Other postal and courier activities

66.22.Z - Activities of insurance agents and brokers

70.22.Z - Business and other management consultancy activities

82.20.Z - Activities of call centres

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

96.09.Z - Other personal service activities not elsewhere classified