Andrzej Stefański

62.03.Z - Computer facilities management activities

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

47.19.Z - Other retail sale in non-specialised stores

47.78.Z - Other retail sale of new goods in specialised stores

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

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

71.11.Z - Architectural activities

71.12.Z - Engineering activities and related technical consultancy

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