America's Yarn Store® offers the most comprehensive selection of yarns, needles, books, patterns and supplies for knitters, crocheters, weavers & more!
http://www.yarn.com/

Bernat provides knitters and crocheters with high quality yarns and creative patterns. Choose from hundreds of our free knitting patterns and free crochet patterns.
http://bernat.com/

Free Newsletter: New patterns, product alerts, special offers, knit and crochet lessons. ... Our Yarns
http://www.lionbrand.com/

On line catalog offers good product information on all major lines of knitting machines. Machine knitting club, with hints and tips, yarns, present a well rounded knitting source.
http://www.yarns-and.com/

Kaleidoscope Yarns features a full spectrum of products for knitters and rug hookers. Kaleidoscope Yarns offers an extensive selection of knitting yarns from the top yarn ...
http://www.kyarns.com/