ELEKTRO - SYSTEM s.c. Zdzisław Sęczkowski

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

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

33.14.Z - Repair and maintenance of electrical equipment

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

46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof

46.90.Z - Non-specialised wholesale trade

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

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

63.11.Z - Data processing, hosting and related activities

72.19.Z - Other research and experimental development on natural sciences and engineering