Injection molding of plastic for others; Custom molding of plastics for others; Parts molding; Custom manufacture of molds for use in industry; Manufacture of custom-designed injection molds and molded parts to order and/or specification of others; Numerically modeling a custom injection molding process for use in designing or manufacturing of plastic parts; Providing information via a computer network in the field of custom manufacturing in the nature of analysis, modeling and simulation of flow and/or solidification of injected material in custom injection molds and in the nature of quotations of costs involved in fabricating custom-designed injection molds and in the nature of quotations of costs involved in injection molding custom-designed parts