JOLANTA MRÓWKA SIGMA PROJEKT

62.09.Z - Other information technology and computer service activities

26.20.Z - Manufacture of computers and peripheral equipment

26.30.Z - Manufacture of(tele)communication equipment

26.40.Z - Manufacture of consumer electronics

26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation

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

69.20.Z - Accounting, bookkeeping and auditing activities; tax consultancy

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

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