Sławomir Grzelak TREEBOX

61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities

33.12.Z - Repair and maintenance of machinery

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

43.21.Z - Electrical installation

43.22.Z - Plumbing, heat and air-conditioning installation

43.29.Z - Other construction installation

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

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

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

47.99.Z - Other retail sale not in stores, stalls or markets

61.10.Z - Wired telecommunications activities

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management 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

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

95.22.Z - Repair and maintenance of household appliances and home and garden equipment

96.09.Z - Other personal service activities not elsewhere classified