Accounting; auditing; providing business information in respect of mining, metals production, oil and gas production, and providing statistical information; business management, namely, administration; business appraisals and business investigations; business management assistance; business management and organizational consultation; commercial or industrial management assistance; business research; cost-price analysis; conducting marketing research and studies; statement of accounts, payroll and tax preparation; telephone answering; computerized file management; compilation and systemisation of information into computer databases; computerized file management; computer database management services, namely, compilation and systemisation of information into computer databases; purchasing agents, namely, arranging exchanges between buyers and sellers; exporting services, namely, purchasing and exporting goods for others; import-export agencies; personnel recruitment; publicity agent services; promoting the goods and services of others by means of distribution of printed matter, radio promotions and commercials, television promotions and commercials, Internet advertising and providing an Internet website featuring goods and services; on-line retail stores and wholesale distributorship services featuring common metals and their alloys, steel and iron, metallic and non-metallic building materials