Mirosław Piotrowski

26.12.Z - Manufacture of electronic printed circuits

26.30.Z - Manufacture of(tele)communication equipment

26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation

43.39.Z - Other building completion and finishing

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

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

62.09.Z - Other information technology and computer service activities

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

95.11.Z - Repair and maintenance of computers and peripheral equipment

95.21.Z - Repair and maintenance of consumer electronics