GM System Marek Gralak

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

25.62.Z - Mechanical working of metal elements

27.12.Z - Manufacture of electricity distribution and control apparatus

28.25.Z - Manufacture of industrial cooling and ventilation equipment

33.12.Z - Repair and maintenance of machinery

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

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

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

42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified

43.11.Z - Demolition

43.21.Z - Electrical installation

43.29.Z - Other construction installation

43.39.Z - Other building completion and finishing

43.91.Z - Roofing activities

43.99.Z - Other specialised construction activities not elsewhere classified

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

46.90.Z - Non-specialised wholesale trade

68.20.Z - Rental and operating of own or leased real estate

77.11.Z - Rental and leasing of cars and light motor vehicles

82.99.Z - Other business support service activities not elsewhere classified

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

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

95.21.Z - Repair and maintenance of consumer electronics

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

95.29.Z - Repair of other personal and household goods