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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.

Biella maker of yarns, fabrics and jerseys for apparel in wool, cashmere and linen.

Zegna's own weaving mill in the Biella hills, producing fine suiting and apparel fabrics.