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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.

Historic Maine woolen mill making mule-spun wool knitting yarns from mostly East Coast fleece.

Hemp clothing label best known for hemp and organic cotton tees, cut and sewn in Los Angeles; also makes hemp bedding.

Arequipa knitwear and apparel maker producing alpaca and organic cotton sweaters, coats and accessories for brands and designers; also runs its own label, Anntarah.