Meritum Competence Krzysztof Pietrzak

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

33.11.Z - Repair and maintenance of fabricated metal products

33.12.Z - Repair and maintenance of machinery

46.75.Z - Wholesale of chemical products

46.90.Z - Non-specialised wholesale trade

47.91.Z - Retail sale via mail order houses or via Internet

55.90.Z - Other accommodation

68.10.Z - Buying and selling of own real estate

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

68.31.Z - Real estate agencies

68.32.Z - Management of real estate on a fee or contract basis

70.22.Z - Business and other management consultancy activities

71.12.Z - Engineering activities and related technical consultancy

71.20.B - Other technical testing and analysis

72.19.Z - Other research and experimental development on natural sciences and engineering

82.30.Z - Organisation of conventions and trade shows

85.51.Z - Out-of-school forms of sports and leisure education

85.59.B - Other out-of-school forms of education, not elsewhere classified