Administration of business payroll for others; Administration, billing and reconciliation of accounts on behalf of others; Administrative processing of purchase orders; Business administration and management; Business administration and office work; Business operation, business administration and office functions; Business consultation services; Business consulting and information services; Business consulting services relating to product distribution, operations management services, logistics, reverse logistics, supply chain, and production systems and distribution solutions; Business development services, namely, providing start-up support for businesses of others; Business information services in the nature of providing information on business opportunities; Business invoicing services