2nd shift Spray Painter - in Wolfeboro, NH. About PSI Molded Plastics. PSI Molded Plastics (PSIMP) is a plastic injection molding manufacturer with over 30 years in the plastics industry. PSIMP specializes in complex, high volume, quality molded products for the automotive, appliance, and furniture industries. PSIMP is focused on customer satisfaction, quality, & continuous improvement with the goal of becoming a world-class plastics manufacturer...