Krzysztof Ciesielski i-SEC

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

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

45.31.Z - Wholesale trade of motor vehicle parts and accessories, excluding motorcycles

45.32.Z - Retail trade of motor vehicle parts and accessories, excluding motorcycles

61.30.Z - Satellite telecommunications activities

61.90.Z - Other telecommunications activities

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

63.11.Z - Data processing, hosting and related activities

63.12.Z - Web portals

63.91.Z - News agency activities

63.99.Z - Other information service activities not elsewhere classified

68.10.Z - Buying and selling of own real estate

68.20.Z - Rental and operating of own or leased real estate

74.10.Z - Specialised design activities

74.20.Z - Photographic activities

74.90.Z - Other professional, scientific and technical activities not elsewhere classified

77.11.Z - Rental and leasing of cars and light motor vehicles

77.12.Z - Rental and leasing of other motor vehicle, excluding motorcycles

77.33.Z - Rental and leasing of office machinery and equipment, including computers

80.10.Z - Private security activities, excluding security systems service activities

80.20.Z - Security systems service activities

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

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

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

95.21.Z - Repair and maintenance of consumer electronics

95.22.Z - Repair and maintenance of household appliances and home and garden equipment

95.24.Z - Repair and maintenance of furniture and home furnishings

95.29.Z - Repair of other personal and household goods