A method of manufacturing a product having a plurality of components where at least some of the components are manufactured by different companies at differing locations. The method comprises the steps of: providing an electronic specification sheet describing the product and its components; forwarding the specification sheet to one of the several companies; the specific company building the component or product; the specific company testing the component or product; the specific company appending the test results to the specification; the specific company determining if the product is completed; and either shipping the finished product to the customer or forwarding the specification to another one of the several companies.