SP
Spectrum Plastics Group, now DuPont™ Spectrum™, designs and manufactures polymer components and finished medical devices across 19 sites and about 2,200 employees.
Riken Americas
Riken Americas is a custom compounder of PVC and thermoplastic elastomers, manufacturing automotive components and plastic molding materials from its facility in Hopkinsville, Kentucky.
Riken Americas is a custom compounder of flexible and rigid PVC and thermoplastic elastomers (TPEs). The company manufactures and sells automotive components, PVC molding materials, and high functionality plastic molding materials. Its automotive product line centers on components for wire harnesses. Additional offerings include custom compounded PVC materials, TPE compounds, PVC molding materials for profile extrusion, and advanced plastic molding materials.
Founded in 2017, the company is based in Hopkinsville, Kentucky, with operations in North America. Its products serve the automotive, recreational products, and industrial sectors. In 2025, Riken Americas completed a major expansion of its production facilities.
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