KAROL SIENKIEWICZ K-SYSTEM. PL

26.20.Z - Manufacture of computers and peripheral equipment

26.30.Z - Manufacture of (tele)communication equipment

33.12.Z - Repair and maintenance of machinery

33.14.Z - Repair and maintenance of electrical devices

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

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

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

42.21.Z - Works related to the construction of transmission pipelines and distribution networks

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

43.21.Z - Installation of electrical systems

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

46.19.Z - Activity of agents involved in wholesale trade of non-specialized goods

46.51.Z - Wholesale trade

46.52.Z - Wholesale trade

46.65.Z - Wholesale trade

46.66.Z - Wholesale trade

47.41.Z - Retail trade

47.42.Z - Retail trade

47.43.Z - Retail trade

47.54.Z - Retail sale of electrical household appliances

47.59.Z - Retail trade

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

58.29.Z - Publishing of other software

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

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

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

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

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

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

66.22.Z - Insurance agent and broker activities

66.29.Z - Activities supporting insurance and pension funds, not elsewhere classified

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

68.31.Z - Real estate brokerage

68.32.Z - Other real estate activities on behalf of third parties

69.20.Z - Accounting, bookkeeping and tax consultancy

70.21.Z - Head office activities and management consultancy

70.22.Z - Head office activities and management consultancy

71.12.Z - Engineering activities and related technical consultancy

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

73.12.C - Advertising through mass media

73.20.Z - Market research and public opinion polling

74.10.Z - Specialized design activities

74.20.Z - Photographic activities

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

78.10.Z - Employment placement and recruitment services

78.20.Z - Temporary employment agencies and other services related to employee leasing

78.30.Z - Employment activities

80.20.Z - Detective and security activities

81.10.Z - Auxiliary activities related to maintaining buildings

81.21.Z - General cleaning of buildings

82.11.Z - Office administrative support activities and other business support services

82.19.Z - Office administrative support activities and other business support services

85.51.Z - Non-school forms of sports education and recreational and sports activities

85.52.Z - Non-school forms of artistic education

88.91.Z - Daycare for children

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

95.21.Z - Repair and maintenance of electronic equipment for general use

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