GKJ - SYSTEM PAWEŁ GRUSZKOWSKI

43.21.Z - Electrical installation

26.11.Z - Manufacture of electronic components

26.12.Z - Manufacture of electronic printed circuits

26.20.Z - Manufacture of computers and peripheral equipment

26.30.Z - Manufacture of(tele)communication equipment

26.40.Z - Manufacture of consumer electronics

27.11.Z - Manufacture of electric motors, generators and transformers

27.12.Z - Manufacture of electricity distribution and control apparatus

27.33.Z - Manufacture of installing equipment

27.40.Z - Manufacture of electric lighting equipment

27.90.Z - Manufacture of other electrical equipment

28.12.Z - Manufacture of fluid power equipment

28.23.Z - Manufacture of office machinery and equipment, except computers and peripheral equipment

28.25.Z - Manufacture of industrial cooling and ventilation equipment

28.29.Z - Manufacture of other general-purpose machinery notelsewhere classified

28.49.Z - Manufacture of other mechanical tools

28.99.Z - Manufacture of other special-purpose machinery notelsewhere classified

33.14.Z - Repair and maintenance of electrical equipment

41.10.Z - Realization of building projects related to erection of buildings

41.20.Z - Building works related to erection of residential and non-residential buildings

42.21.Z - Works related to construction oftransmission pipelines and distribution networks

42.22.Z - Works related to construction of telecommunications and electricity lines

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

43.29.Z - Other construction installation

46.43.Z - Wholesale of electrical household appliances

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

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

46.69.Z - Wholesale of other machinery and equipment

46.90.Z - Non-specialised wholesale trade

47.43.Z - Retail sale of audio and video equipment in specialised stores

47.59.Z - Retail sale of furniture, lighting equipment and other household articles in specialised stores

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

61.10.Z - Wired telecommunications activities

61.90.Z - Other 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

95.21.Z - Repair and maintenance of consumer electronics