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

Merino wool outdoor clothing — base layers, socks and jackets — founded in Vermont in 1997, now based in Boulder.

Italian maker of fabrics and yarns for fashion, including the Albini 1876 and Thomas Mason labels.

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.