Abstract: The present invention provides an internet based or locally hosted business to business full service secure commercial electronic marketplace which facilitates transactions between suppliers and buyers. The system transforms the suppliers' content into generic content and enables the suppliers to review, correct and update the supplier content. The system distributes the content back to the supplier and to selected buyers in a generic and usable format across multiple forums. The system further provides multiple levels of sourcing for the suppliers and buyers including a private on-contract sourcing level, a, private off-contract sourcing level, a private index off-contract sourcing level, a private supplier or seller sourcing level, a public buyer sourcing level, and content distribution for buy side sourcing levels, supply side sourcing levels, multi-buyer exchanges and multi-supplier exchanges.