37 providing Internet or computer network integration of finance, sales, purchasing, industrial plant design, 3D piping and process plant viewing, project management, construction management and manufacturing actions for business entities; computer network access for corporate purchasing departments for single website access to and publishing to multiple vendors' workflow definition, requests for proposals, purchase orders, payments; Internet based inventory control, procurement, trading hubs, enterprise application integration, and application service provision; Internet based services for purchasing goods and services needed for manufacture and delivery of product goods and services, tracking and scheduling, and spending and supplier analysis