If you're a spinner or a weaver, then wool manufacturers you maybe. This page lists the numbers among you, and there are plenty there you'll see. Wool manufacturers produce the goods that go onto the wool Haberdashers shelves. They supplied to the wool trade and they get you the best price they can.
Wool manufacturers supply to wool wholesalers, who then pass it on to the wool shops around the country. They can import and they can export and keep on top of the latest trends. Wool manufacturers are the makers of the yarns and threads that can be seen in shops today.