Mamco Precision Molding Leading Manufacturer of High Quality Plastic Injection Molding, Custom Injection Molding, Injection Molder & More! Welcome To MAMCO Precision Molding MAMCO Precision Molding is a leading manufacturer of high quality plastic injection molding, custom injection molding, injection molder pieces and much more. When your operations calls for highly specialized, precision parts, MAMCO should be your first choice. MAMCO has been an industry leader in plastic injection molding since 1964. Our company was founded with a mission to provide the highest quality products for less. This guiding principle has served us over the years and has made MAMCO a name that companies all over the world trust for custom injection molding. Why Choose MAMCO? In a word, we deliver results. MAMCO Precision Molding is a world-class supplier of plastic injection molded parts and assemblies that demand high repeatability and tight specifications. For years, companies have relied on us to supply them with their plastic injection molding pieces for a wide variety of applications. With a commitment to quality and an eye on innovation, we have built a name that stands for performance in the industry. The SOLUTION- providing hemp & bio plastic manufacturing, supply and supply chain management