Meramec Group is a third-generation, family owned and operated business with operations in the United States, China and the D ... ominican Republic. Meramec is a global supplier of footwear components including; polyurethane (PU) insoles, midsoles and outsoles, rubber and thermoplastic rubber (TPR) outsoles, anti-perforation textile insoles and one-piece woven uppers (Perspair®). Meramec also manufactures and supplies PU systems to the U.S. footwear market. read more