Mack Molding Co.

At Mack Molding Co., we specialize in delivering high-performance injection molded plastic solutions tailored to the most demanding applications. Drawing on decades of experience and a deep understanding of thermoplastics, we serve as a full-service contract manufacturer, partnering with OEMs across diverse industries to bring complex product designs to life. Our capabilities encompass every stage of the process, from engineering support and design-for-manufacturability consulting to tooling, molding, and value-added assembly. We work with a wide range of engineering-grade resins, producing precision components that meet tight tolerances and rigorous performance requirements. In addition to molding, we provide complete program management, machining, metal fabrication, and supply chain logistics to ensure seamless product delivery. Our vertically integrated approach allows us to streamline timelines, maintain strict quality standards, and support everything from low-volume pilot runs to high-volume production. By combining advanced equipment with a highly skilled workforce, we help our customers achieve faster time to market and greater product innovation.