Providing non-downloadable software via computer and communication networks for product lifecycle management and product data management; providing non-downloadable software via computer and communication networks for managing, organizing, and communicating manufacturing product data, processes, and lifecycle for providers of goods, original equipment manufacturers, suppliers and outsource partners; providing non-downloadable software via computer and communication networks for bill of materials management; providing non-downloadable software via computer and communication networks for collaborating with customers, vendors, and partners on product manufacturing; providing non-downloadable software via computer and communication networks for managing the submission and approval of engineering and manufacturing change requests and change orders; providing non-downloadable software via computer and communication networks for conforming business, engineering, product planning, and manufacturing processes to regulatory requirements; providing non-downloadable software via computer and communication networks enabling users to create repositories of product data, product and component specifications, engineering drawings, project plans, part names and numbers, and geometry files; application service provider services, namely hosting of computer software applications for use by others; technical support services, namely, troubleshooting of computer software problems; professional services for the implementation and customization of hosted computer software solutions