Providing purchasing, ordering, and procurement services for others in connection with laboratory and healthcare institutions over computer and telecommunications networks, namely, facilitating transactions for procurement of goods and services of others, purchasing agents, and order fulfillment; providing sourcing services for others, namely, providing an on-demand 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 identify and bid on multiple new sales opportunities, providing on-line auction services, and providing bidding quotation, all in connection with laboratory and healthcare institutions over computer and telecommunication networks; advertising and promoting goods and services of others by providing electronic commerce service for others, namely, providing electronic shopping environment that provides information and allows users to perform electronic business transaction over computer and telecommunication networks for advertising and sales purposes in the life sciences, government and health care fields; providing purchase order processing support services for others, namely, providing business invoicing services that capture invoices and match invoices to purchase orders in the life sciences, government and health care fields over computer and telecommunications networks; providing administrative purchase order processing and electronic processing of orders for others in the life sciences, government and health care fields over computer and telecommunications networks; Sales support 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 in the life sciences, government and health care fields via computer and telecommunication networks; providing business intelligence services for others, namely, providing supply chain visibility, and supply and demand forecasting in the life sciences, government and health care fields over computers and telecommunications networks; providing inventory management services for others, namely, providing integration of inventory management and internal supply centers with procurement systems used in laboratory, and healthcare institutions over computer and telecommunication networks; providing supply chain management services for others, namely, providing supplier catalog supply chain management services and integrated tracking and management of commercial transactions for orders and invoices in the life sciences, government and health care fields over computers and telecommunication networks; providing sales services for others, namely, providing advertising services, sales promotion services, sales volume tracking for others, and retail store services featuring scientific and medical laboratory equipment and supplies and health care institution equipment and supplies over computer and telecommunication networks