Tuthill Plastics Group has long been a supplier to Automotive – and continues to support Tier One suppliers.  We are the sole supplier of thermoplastic elastomers for Jtket/Koyo Steering Group in Vonore Tennessee.  We also supply parts for US Gauge/Ametek and Caterpillar.  We are also a supplier for a critical PEEK product used in Turbo applications at Borg Warner.