OLGA GRYGIER-SIDDONS

70.22.Z - Business and other management consultancy activities

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

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

70.21.Z - Public relations and communication activities

82.30.Z - Organisation of conventions and trade shows

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

85.60.Z - Educational support activities