KNJ Jacek Piekoszewski

70.22.Z - Business and other management consultancy activities

52.21.Z - Service activities incidental to land transportation

52.29.A - Sea transportation agencies activities

52.29.B - Inland transportation agencies activities

52.29.C - Other transportation agencies activities

62.02.Z - Computer consultancy activities

63.99.Z - Other information service activities not elsewhere classified

73.11.Z - Advertising agencies activities

82.19.Z - Photocopying, document preparation and other specialised office support activities

82.30.Z - Organisation of conventions and trade shows

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