Administrative management of exhibition sites for the organization of exhibitions, fairs, forums and trade shows, colloquiums, conferences, and congresses; organization of exhibitions, trade shows, fairs and all types of events for commercial or advertising purposes; organization of competitions for promotional purposes, with or without distribution of prizes or allocation of rewards, in particular in the field of shows, colloquiums, conferences, congresses, exhibitions, trade fairs; administration of exhibition sites; organization of business meetings in the context of trade shows, colloquiums, conferences, congresses, exhibitions, fairs, namely, putting in touch exhibitors and visitors for the purpose of holding business meetings; dissemination and distribution of advertising materials (leaflets, prospectuses, printed matter, samples); sales promotion for others; marketing services; good and service presentation and demonstration services for promotional purposes; commercial intermediary services (caretaking); preparation and compilation of statistics, commercial business in the field of exhibitions and particularly relating to exhibition organization; advertising; advertising by mail order, radio, television; online advertising on a computer network; advertising mail; rental of advertising time on all communication media; rental of advertising space; dissemination of advertising matter and classified advertisements, particularly for employment, including via the Internet; organization of promotional activities for developing customer loyalty; organization of regional and national promotional campaigns; newspaper subscription services for others; arranging subscriptions for others on all kinds of information media, texts, sound and/or images and especially in the form of electronic and digital publications; market study, market research; public relations; collection of data in a central file; systematization of data in a central file; computer file management services; commercial business management; commercial administration; publication of advertising texts and/or images; opinion polling; fair organization services