Stack Plastics

About us

Stack Plastics, Inc. is a custom plastic injection molding company specializing in engineering thermoplastics, elastomers, and a number of other resins, including PEEK, Delrin, and more. We offer expert service throughout the entire injection molding product development process, from conception to prototyping to mass production.

Stack Plastics is an ISO 13485:2003 certified company with over 15 years’ experience in custom plastic injection molding. Based in the Bay Area of California, we specialize in medical device components but also supply parts, components, and assemblies for a number of industries. We create plastic injection molded parts for everything from consumer products to aerospace components.

At Stack Plastics, we provide a wide variety of custom plastic injection molding services, and many secondary services, to give you the best quality products and the best customer service around