35 Providing online auction services; providing purchasing, sourcing, ordering, and procurement services for others, namely, provision of an online marketplace for buyers and sellers of goods and services in the nature of an on-demand website whereby buyers of goods and services are able to obtain preferred pricing and pre-negotiated volume discounts for such goods and services; facilitating transactions for procurement and order fulfillment of goods and services of others; providing an on-demand sourcing website whereby buyers of goods and services locate and receive quotations, proposals, and information about goods and services from multiple competitive sources and sellers of goods and services; providing purchase order processing support services for others, namely, providing business invoicing services that capture invoices and match invoices to purchase orders; providing administrative purchase order processing and electronic processing of orders for others; sales support services in the nature of providing electronic negotiation and settlement of commercial transactions for others, namely, providing electronic invoicing, receiving of offers, and matching of offers; providing business intelligence services for others, namely, providing business management in the field of supply chain visibility, and supply and demand forecasting; providing inventory management services for others; providing supply chain management services for others; business management and consulting services in the fields of purchasing, sourcing, ordering, procurement, supply chain management, spend analysis, spend management, accounts payable, and contract management services for others in the fields of education, public sector, and commercial industries, including manufacturing, consumer packaged goods, life sciences, healthcare, retail, and distribution industries