Maciej Chmielewski MJC

74.90.Z - Other professional, scientific and technical activities, 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

43.21.Z - Installation of electrical systems

43.29.Z - Specialized construction works

46.11.Z - Activity of agents involved in wholesale trade of agricultural products, live animals, raw materials for the textile industry, and semi-finished products

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

46.31.Z - Wholesale trade of fruits and vegetables

46.61.Z - Wholesale trade of agricultural machinery and additional equipment

46.62.Z - Wholesale trade of machine tools

49.42.Z - Moving services

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

68.31.Z - Real estate brokerage

73.12.C - Advertising through mass media

77.31.Z - Rental and leasing of agricultural machinery and equipment

77.32.Z - Rental and leasing of construction machinery and equipment

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

79.11.B - Travel agency activities

79.12.Z - Tour operator activities

79.90.A - Other reservation services and related activities

79.90.B - Other reservation services and related activities

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

85.59.A - Foreign language education

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

85.60.Z - Educational support activities

96.04.Z - Individual service activities