Tomasz Trzaskalski C4i

46.50.Z - Wholesale trade of information and communication technology devices

26.20.Z - Manufacture of computers and peripheral equipment

26.30.Z - Manufacture of (tele)communication equipment

26.40.Z - Manufacture of electronic consumer products

27.32.Z - Manufacture of other electronic and electric wire and cables

33.13.Z - Repair and maintenance of electronic and optical devices

33.14.Z - Repair and maintenance of electrical devices

33.20.Z - Installation of industrial machinery, equipment, and devices

43.21.Z - Installation of electrical systems

47.40.Z - Retail sale of information and communication technology equipment

47.92.Z - Intermediary retail sale, specialized

61.10.B - Activities in the field of wired, wireless, and satellite telecommunications

61.20.Z - Activities related to the resale of telecommunications services and telecommunications mediation

61.90.A - Activities in other telecommunications fields

61.90.B - Activities in other telecommunications fields

62.10.A - Programming activities

62.10.B - Programming activities

62.20.A - IT consulting and IT equipment management activities

62.20.B - IT consulting and IT equipment management activities

62.90.Z - Other IT and computer-related services

70.20.Z - Business and management consultancy activities

71.12.B - Engineering activities and related technical consultancy

73.11.Z - Advertising agency activities

73.12.Z - Advertising through mass media

73.20.Z - Market research and public opinion polling

74.99.Z - All other professional, scientific and technical activities, not elsewhere classified

80.09.Z - Other security activities, not elsewhere classified