Castle Nhựa Inc

Welcome to Castle Plastics!


Castle Plastics was founded by Gabrielle Serafini in 1920. He and his bride Emilia migrated from Castello di Alvito, Italy to Leominster, MA in the United States in 1911. For several years, Gabrielle worked in a local shirt factory. Then, in 1920, he started the family business, first named Castle Button Company, with the word Castle referring to the Italian city from which his family originated.



As the years passed, the business underwent several location and name changes; however, it always remained under the same family ownership. Moreover, we are still in the plastics business today. Materials, tool and dies, and injection molding have been in our family business all these years. We take pride in the fact that despite numerous challenges and economic turmoil, we have consistently been able to keep our doors open. 2015 marks our 95th anniversary!


Today, Castle Plastics is a leading manufacturer of horseshoe pads in North America. Our introduc... [Details]