Providing a web site for buyers and sellers of industrial products and services, where buyers and sellers can locate each other to transact business; maintaining an exchange and listing service for others, namely, providing product and service information and matching buyers and sellers via a global computer information network; facilitation of electronic commerce over a global computer network, namely, consummating and managing transactions between buyers and sellers for a wide variety of industrial products and services; providing information via global computer network, regarding requests for quotations issued by buyers wishing to purchase certain goods or services as well as the availability and prices quoted by responding suppliers offering to sell those specific goods or services to the buyers in question; providing a computer database for the creation, management and distribution of requests for quotations, transferring technical data, evaluating quotations and corresponding with potential suppliers