Systemy informatyczne - Łukasz Drzewiecki

62.03.Z - Computer facilities management activities

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

43.21.Z - Electrical installation

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

47.42.Z - Retail sale of telecommunications equipment in specialised stores

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

47.54.Z - Retail sale of electrical household appliances in specialised stores

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

58.29.Z - Other software publishing

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

63.12.Z - Web portals

63.91.Z - News agency activities

63.99.Z - Other information service activities not elsewhere classified

71.12.Z - Engineering activities and related technical consultancy

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

85.60.Z - Educational support activities

90.02.Z - Support activities to performing arts

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

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