Manufacturers / Benchmark Foam, Inc.

Benchmark Foam, Inc. is a manufacturer of expanded polystyrene (EPS) foam and other specialty plastics at 401 Pheasant Ridge Drive in Watertown, South Dakota, and states it took its name in 1988. Its EPS products serve building envelope applications, including tapered and flat EPS roofing insulation boards and eps360, a rigid board molded from 100% recycled post-consumer EPS. It publishes EPS technical data to ASTM C578 and reports quarterly third-party plant inspections by Twining Inc.