Fiber, Yarn, & Thread Mills

Fiber, yarn, and thread mills (NAICS 3131) represent a foundational segment of the US textile manufacturing industry, responsible for producing raw and processed fibers, yarns, and threads that serve as inputs for downstream textile and apparel manufacturers. This industry group encompasses establishments engaged in preparing fibers for spinning, manufacturing yarn and thread from natural fibers (such as cotton, wool, and silk), synthetic fibers (including polyester and nylon), and blended fiber combinations. These mills operate capital-intensive production facilities that perform critical processes including fiber opening and cleaning, carding, combing, spinning, twisting, and finishing operations. The industry serves diverse end markets including apparel, home textiles, industrial textiles, automotive applications, and technical textile products. As a critical link in the textile supply chain, fiber and yarn mills require significant investments in machinery, quality control systems, and specialized technical expertise to maintain competitiveness in increasingly globalized markets.