MICHAŁ MARCINIAK

62.01.Z - Computer programming activities

43.21.Z - Electrical installation

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

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

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

61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

63.11.Z - Data processing, hosting and related activities

63.12.Z - Web portals

70.21.Z - Public relations and communication activities

70.22.Z - Business and other management consultancy activities

73.11.Z - Advertising agencies activities

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

95.12.Z - Repair and maintenance of (tele)communication equipment