Colourmart, UK

They manufacture: 
Yarns
Contact Info: 

ColourMartUnit 2A, Archers Way, Battlefield Ind EstShrewsbury, SY1 3GA, United Kingdom.Telephone +44 (0)1743 466883.

Notes: 

From the website:  Online supplier of remainder luxury yarns,
particularly cashmere and silk.... we source our yarns from the best
Scottish and Italian mills and then package them to suit the needs of
hand and machine knitters, weavers, hand dyers, and so on.... to create
beautiful fabrics and garments.

They ship worldwide.

Website: 
http://www.colourmart.com/