"MACK SYSTEMS" MACIEJ STROŃSKI

71.12.Z - Engineering activities and related technical consultancy

26.12.Z - Manufacture of electronic printed circuits

26.30.Z - Manufacture of (tele)communication equipment

26.40.Z - Manufacture of electronic consumer products

27.12.Z - Manufacture of electrical distribution and control apparatus

27.32.Z - Manufacture of other electronic and electric wire and cables

27.33.Z - Manufacture of installation equipment

27.40.Z - Manufacture of lighting equipment

27.90.Z - Manufacture of other electrical equipment

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

28.25.Z - Manufacture of industrial refrigeration, ventilation, and air-conditioning equipment

28.99.Z - Manufacture of other special-purpose machinery not elsewhere classified

29.31.Z - Manufacture of electrical and electronic equipment for motor vehicles

32.20.Z - Manufacture of musical instruments

33.12.Z - Repair and maintenance of machinery

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

33.14.Z - Repair and maintenance of electrical devices

33.20.Z - Installation of industrial machinery, equipment, and devices

41.20.Z - Construction work related to the construction of residential and non-residential buildings

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

43.21.Z - Installation of electrical systems

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

43.33.Z - Flooring, wallpapering, and cladding of walls

43.34.Z - Painting and glazing

43.39.Z - Specialized construction works

43.99.Z - Other specialized construction works, not classified elsewhere

46.43.Z - Wholesale trade of electrical household goods

46.47.Z - Wholesale trade of furniture for home, office, and shop use, carpets, and lighting equipment

46.49.Z - Wholesale trade of other household articles

46.66.Z - Wholesale trade

46.69.Z - Wholesale trade

47.41.Z - Retail trade

47.43.Z - Retail trade

47.54.Z - Retail sale of electrical household appliances

47.63.Z - Retail sale of sports equipment

47.78.Z - Retail sale of other new products

47.79.Z - Retail sale of used products

47.91.Z - Intermediary retail sale, non-specialized

47.99.Z - Retail trade

58.29.Z - Publishing of other software

59.20.Z - Sound recording and music publishing activities

61.10.Z - Activities in the field of wired, wireless, and satellite telecommunications

61.20.Z - Activities related to the resale of telecommunications services and telecommunications mediation

61.30.Z - Telecommunications

62.01.Z - Activities related to programming, IT consulting, and related activities

62.02.Z - Activities related to programming, IT consulting, and related activities

62.03.Z - Activities related to programming, IT consulting, and related activities

63.12.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services

71.20.B - Inspection and issuing opinions on the technical condition of chimneys and ventilation ducts

72.19.Z - Scientific research and development activities

74.10.Z - Specialized design activities

74.20.Z - Photographic activities

74.90.Z - Other professional, scientific and technical activities, not elsewhere classified

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

77.39.Z - Rental and leasing of other machinery, equipment, and tangible assets, not elsewhere classified

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

85.52.Z - Non-school forms of artistic education

85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms

90.01.Z - Creative activities and activities related to the staging of artistic performances

90.04.Z - Creative activities and activities related to the staging of artistic performances

93.29.Z - Entertainment and recreational activities, not elsewhere classified

95.11.Z - Repair and maintenance of computers, personal and household goods, and motor vehicles, including motorcycles

95.12.Z - Repair and maintenance of computers, personal and household goods, and motor vehicles, including motorcycles

95.22.Z - Repair and maintenance of household appliances and equipment for household and gardening use