Daniel Wieczorek

71.12.Z - Engineering activities and related technical consultancy

28.14.Z - Manufacture of other taps and valves

28.15.Z - Manufacture of bearings, gears, gearing and driving elements

28.29.Z - Manufacture of other general-purpose machinery notelsewhere classified

56.10.B - Mobile eating places

56.21.Z - Event catering activities

56.29.Z - Other food service activities

56.30.Z - Beverage serving activities

62.01.Z - Computer programming activities

70.22.Z - Business and other management consultancy activities

71.20.A - Food quality testing and analysis

71.20.B - Other technical testing and analysis

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

85.60.Z - Educational support activities