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Mount Airy, North Carolina wool sock mill that knits merino socks for private-label clients such as REI and L.L.Bean, makes licensed lines, and owns Farm to Feet; some programs use synthetic yarns.

Portuguese fully-fashioned knitwear factory producing for major brands and chains in cashmere, merino, silk and fine cottons including Pima and Sea Island.

Family shirt factory in Città di Castello, Umbria, making men's, women's and children's shirts in cotton, linen and silk since 1972, including production for Italian and foreign brands.

Sock maker near Braga, Portugal, producing about 3.5 million pairs a year in organic cotton and merino for department stores, chains and brands such as Asket.