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Family-run cut-and-sew factory in Barcelos, Portugal, making custom and private-label tees, sweatshirts, shirts and pants, mainly in organic cotton, cotton and linen.

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

Irish linen weaver since 1912, operating from what it calls Ireland's oldest remaining linen mill, with its own dyeing and finishing works.

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.