Accounting, accounts (drawing up of statements of -), advertising, advertising by mail order, advertising material (updating of -), advertising matter (dissemination of -), analysis (cost price -,) answering (telephone -) (for unavailable subscribers), auditing, bill-posting, book-keeping, business appraisals, business consultancy (professional -), business information, business inquiries, business investigations, business management and organization consultancy, business management assistance, business management consultancy, business organization consultancy, business research, commercial information agencies, commercial or industrial management assistance, compilation of information into computer databases, computer databases (systemization of information into -), cost price analysis, data search in computer files (for others), goods demonstration of goods, direct mail advertising, distribution of samples, document reproduction, economic forecasting, efficiency experts, employment agencies, file management (computerized -), forecasting (economic -), management consultancy (personnel -), marketing research, marketing studies, news clipping services, on-line advertising on a computer network, opinion polling, organization of exhibitions for commercial or advertising purposes, organization of trade fairs for commercial or advertising purposes, payroll preparation, personnel management consultancy, personnel recruitment, photocopying, processing (word -), procurement services for others (purchasing goods and services for other businesses), psychological testing for the selection of personnel, public relations, publication of publicity texts, publicity, publicity columns preparation, sales promotion (for others), secretarial services, shorthand, statements of accounts (drawing up of -), statistical information, tax preparation, testing (psychological -) for the selection of personnel, transcription, typing

Arbitration services, computer data (recovery of ), computer hardware (consultancy in the field of), computer programming, computer rental, computer software design, computer software (installation of), computer software (updating of ), computer system design, computer systems analysis, consultancy in the field of computer hardware, consultancy (intellectual property ), conversion of data or documents from physical to electronic media, copyright management, creating and maintaining web sites for others, data conversion of computer programs and data (not physical conversion), duplication of computer programs, engineering, graphic arts designing, hosting computer sites (web sites), industrial design, intellectual property watching services, legal research, litigation services, licencing of intellectual property, maintenance of computer software packaging, design project studies (technical), quality control, recovery of computer data, rental of computer software, research and development (for others), studies (technical project ), styling (industrial design), technical research