R.L. Adams Plastics, Inc. is a family-owned polystyrene (foam) manufacturer based in Grand Rapids, Michigan, operating since 1978. They specialize in producing state-of-the-art foam products for retail, distribution, and professional sales channels, focusing on Food Service, Building Products, and Arts and Crafts industries. Their core services include the production of extruded polystyrene (XPS), thermoforming XPS, and laminating XPS with various facer materials. The company prides itself on its versatility, quick response to customer needs, and commitment to quality and value pricing.