IT-Concept Grzegorz Maruszewski

62.03.Z - Computer facilities management activities

33.14.Z - Repair and maintenance of electrical equipment

33.20.Z - Installation of industrial machinery and equipment and outfit

42.22.Z - Works related to construction of telecommunications and electricity lines

43.21.Z - Electrical installation

43.29.Z - Other construction installation

47.41.Z - Retail sale of computers, peripheral units and software in specialised stores

47.43.Z - Retail sale of audio and video equipment in specialised stores

47.79.Z - Retail sale of second-hand goods in specialised stores

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

61.90.Z - Other telecommunications activities

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.09.Z - Other information technology and computer service activities

63.11.Z - Data processing, hosting and related activities

71.20.B - Other technical testing and analysis

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

80.20.Z - Security systems service activities

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