M-Serw Marcin Marczak

33.19.Z - Repair and maintenance of other equipment and installations

25.62.Z - Production of locks and hinges

26.20.Z - Manufacture of computers and peripheral equipment

26.51.Z - Manufacture of measuring, controlling, and navigation instruments

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

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

32.50.Z - Production of medical devices, instruments, and products, including dental products

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

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

46.18.Z - Activity of agents involved in wholesale trade of other specified goods

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

47.78.Z - Retail sale of other new products

47.91.Z - Intermediary retail sale, non-specialized

47.99.Z - Retail trade

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

70.22.Z - Head office activities and management consultancy

71.12.Z - Engineering activities and related technical consultancy

72.11.Z - Scientific research and development activities

72.19.Z - Scientific research and development activities

74.30.Z - Translation and interpretation 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

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

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