Analysis of oil-field exploitation; computer system analysis; consultancy in the field of architectural design; consultancy in the field of architecture and construction drafting; updating of computer programs; technical project studies; material testing; oil-well testing; textile testing; authenticating works of art; design of packaging and wrapping materials; commercial art design; design of interior decor; bacteriological research; biological research; geological research; cosmetic researc...

Commercial information agencies; administrative processing of purchase orders placed by telephone or computer; cost price analysis; business auditing; auctioneering; book-keeping; marketing studies; opinion polling; psychological testing for the selection of personnel; organization of exhibitions for commercial or advertising purposes; arranging and conducting of fairs and exhibitions for business and advertising purposes; organization of fashion shows for promotional purposes; organization o...