Business services, namely facilitating trade in products and services via local and global computer networks by listing and displaying products and services and by providing database search, inquiry and communication mechanisms between buyers and suppliers, authenticating and verifying the identity and capabilities of individual vendors in an online marketplace and authenticating claims made by vendors, providing notice to users of an online marketplace that certain vendors have passed authentication and verification requirements, dissemination of advertising of goods and services of others via local and global computer networks, providing a web site on a global computer network by which third parties can offer and source goods and services, make inquiries, quote prices, place orders and otherwise transact business, providing an online directory of companies and product catalogs to facilitate business transactions