HERTZ ZAKŁAD USŁUG ELEKTRYCZNYCH ROMAN HERCZYŃSKI

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

25.62.Z - Production of locks and hinges

26.20.Z - Manufacture of computers and peripheral equipment

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

28.29.Z - Manufacture of other general-purpose machinery not elsewhere classified

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

42.91.Z - Works related to the construction of water engineering objects

42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere

43.21.Z - Installation of electrical systems

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

46.14.Z - Activity of agents involved in wholesale trade of machinery, industrial equipment, ships, and aircraft

46.69.Z - Wholesale trade

46.77.Z - Wholesale trade

47.91.Z - Intermediary retail sale, non-specialized

47.99.Z - Retail trade

58.19.Z - Other publishing activities, excluding software publishing

58.21.Z - Publishing of computer games

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

61.90.Z - Activities in other telecommunications fields

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

64.92.Z - Other forms of credit granting

64.99.Z - Other financial services, except insurance and pension funds, not elsewhere classified

68.10.Z - Real estate activities on own account and development of building projects

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

70.21.Z - Head office activities and management consultancy

70.22.Z - Head office activities and management consultancy

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

72.11.Z - Scientific research and development activities

72.19.Z - Scientific research and development activities

73.11.Z - Advertising agency activities

73.12.A - Advertising through mass media

73.12.B - Advertising through mass media

73.12.C - Advertising through mass media

73.12.D - Advertising through mass media

73.20.Z - Market research and public opinion polling

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

77.40.Z - Leasing of intellectual property and similar products, excluding works protected by copyright

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

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

85.60.Z - Educational support activities

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