Patryk Piesik - Patron IT Services

62.09.Z - Other information technology and computer service activities

31.01.Z - Manufacture of office and shop furniture

31.02.Z - Manufacture of kitchen furniture

31.09.Z - Manufacture of other furniture

46.51.Z - Wholesale of computers, peripheral equipment and software

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

46.90.Z - Non-specialised wholesale trade

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

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management activities

63.99.Z - Other information service activities not elsewhere classified

72.19.Z - Other research and experimental development on natural sciences and engineering

74.10.Z - Specialised design activities

77.21.Z - Rental and leasing of recreational and sports goods