Employment agency services; selection, recruitment and placement of temporary, interim and permanent personnel; personnel selection using psychological testing in the nature of aptitude testing and behavioral testing for employment offices and for personnel assessment; consulting services relating to personnel management; provision of information, whether online or in printed form, in the field of personnel management; advertising services relating to job offers; outsourcing services; provision of statistical information in the field of personnel management; market analyses in the field of personnel management; payroll administration and management services, namely, payroll accounting and payroll billing for others as well as consulting services relating thereto