Branch River Plastics, founded in 1978, produces a wide variety of expanded polystyrene products. Its manufacturing facility provides products that are used in major construction projects throughout the Northeast. The company s packing division works with some of the leading biopharmaceutical and consumer electronic companies to provide packaging solutions. Its R-control structural insulated panels provide insulation in exterior walls, roofs and floors. Branch River Plastic designs and manufactures EPS protective packaging, and has worked with various customers, such as the corrugated box manufacturers, pharmaceutical companies and custom mold designers. It is one of the leaders in short-run custom packaging services. The company fabricates foam for various specialty markets, such as concrete bridges, coat guards and the roofing industry. Branch River Plastic so headquartered in Smithfield, R.I.