Marcin Klajnert "D&M Computer"

62.03.Z - Computer facilities management activities

33.12.Z - Repair and maintenance of machinery

43.21.Z - Electrical installation

46.51.Z - Wholesale of computers, peripheral equipment and software

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

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

61.10.Z - Wired telecommunications 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

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

82.19.Z - Photocopying, document preparation and other specialised office support activities

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

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