Manufacturer of Expanded Polystyrene (EPS) Foam and Other Specialty Plastics

Located at 401 Pheasant Ridge Drive, Watertown, South Dakota, Benchmark Foam, Inc. is a manufacturer of Expanded Polystyrene (EPS) foam and other specialty plastics. Our products are used in building envelope applications essential to achieving energy savings in new construction and building renovations. Our skilled team is innovative, constantly working to solve your current and future needs.
We know that your business depends on our product arriving on time. Our service response is so dependable, we back it with Benchmark FoamÕs On-Time Guarantee. Your product will be shipped and arrive by the agreed-to arrival date or we will discount... (more)


Pattern makers will make a blueprint of your idea. They make sure your design will be well-constructed.


Material suppliers will provide you with the raw materials and components of your end product.


These factories will mass produce your designs.