Advertising agencies; communication agencies related to advertising and marketing communications; commercial information agencies; advertisement departments, namely, outsourcing an advertising department to others; consulting on advertising and marketing media, multimedia and communication strategies; auditing services concerning advertising and communication expenses; marketing agencies; direct marketing agencies; agencies for specialty advertising; organizational consultancy in the fields of audiovisual production and special events for commercial or advertising purposes; dissemination of advertising matter, publicity columns preparation; distribution of samples and advertising materials in the nature of leaflets, prospectuses and printed matter; updating of advertising material; conducting marketing studies; organization of trade fairs for commercial or advertising purposes; organizing events for commercial or advertising purposes; rental of advertising time on communication media, rental of advertising space; conducting opinion polls and enquiries; advertising; public relations and press relations; sales promotion for enterprises; conducting of sales for enterprises namely, arranging planning and conducting of sales events; subscription services for others to electronic, non-electronic and digital publications namely, arranging subscriptions to telecommunication services featuring electronic publications, subscription management services as a subscription agent between publishers and customers, magazine subscription and fulfillment services