Riken Americas Corporation, based in Hopkinsville, Kentucky, is a privately owned joint venture between Riken Technos and Mit ... subishi Corporation. Riken Americas Corp. is the holding company of Rimtec and Riken Elastomers. Rimtec Manufacturing Corporation is a custom compounder of flexible and rigid PVC and Riken Elastomers is a TPO & TPV compounder.. We currently service customers throughout North America and around the world.. We have a network of warehouses throughout North America to provide a fast, seamless supply chain management of materials for recurring orders. We specialize in niche markets, providing material solutions for both rigid and flexible PVC compounds. Some of these markets include automotive, construction, film, display, wire and cable, furniture, and vinyl records. Riken Americas Corporation strives to be a leader in the vinyl and thermoplastic elastomer compounding industry, dedicated to serving our customers with excellence. read more