A procurement network is a type of business process network: integration as a service tailored with applications to support one or more procurement processes, such as: Purchase to pay, with e-catalog management and purchase order document exchange Supplier information management, with credential document and firmographic data storage E-sourcing, with opportunity listings for suppliers and support for supplier electronic bid submission The defining characteristic of a procurement network is multienterprise integration support that enables suppliers to view information from and participate in processes with multiple buyers, in the same account.