Advertising; business management; business administration; office functions; demonstration of goods; distribution of samples; import and export services, not being transport services; export-import agency services; market studies; marketing; marketing and business development of inventions; negotiation of contracts (for others); presentation of goods on communication media, for retail purposes; procurement of contracts (for others); procurement services for others (purchasing goods and services for other businesses); project studies for businesses; provision of business information; retail services; wholesale services