41 Arranging and conducting of colloquiums, seminars, congresses, symposiums, conferences, shows, exhibitions for professional purposes, and of internships
35 Business management and organization consultancy; efficiency experts; auditing; economic forecasting; compilation of statistics; marketing studies; marketing research; business advice, information or inquiries; business appraisals; business management assistance; analysis and evaluation of company operation, market position and value; administrative services; book-keeping; computerized file management; organization of exhibitions for commercial or advertising purposes