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. Visit our Products page for more information.  

We know that your business depends on our product arriving on time. Our service response is so dependable, we back it with Benchmark Foam’s On-Time Guarantee. Your product will be shipped and arrive by the agreed-to arrival date or we will discount your invoice 10 percent. We work to accommodate customer needs, giving you confidence when you place an order, even if it needs to be rushed. And we do not have truckload quotas, so no matter how large or small, your order will be shipped on time.

To learn how our products may qualify for federal tax credits and obtain our Manufacturer’s Certification Statement, click here. Our goal is to be a benchmark of teamwork, quality and service.


Read, download or print our Benchmark Foam, Inc. corporate brochure.

Call Benchmark Foam for your EPS foam product needs: 800-658-3444 or 605-886-8084

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 401 Pheasant Ridge Drive, Watertown, South Dakota 57201    

Phone 605-886-8084     Toll-free 800-658-3444     Fax 605-886-8099  

Products Made In The USA!

EPS is a lightweight, versatile, economical, recyclable material that can be tailored to meet changing and complex requirements. Select one of the following topics to learn more: