Hi-Qua Badminton - Hi-Qua Badminton in USA. Shuttlecocks, racquets, and shoes. Direct from manufacturer. Mail-Order available. Club and School. - http://www.hiquasports.com/badminton/
Sosan - Direct purchasing from this Chinese manufacturer of shuttlecocks and racquets; includes overview of shuttlecock components. - http://www.sosan.com/
Postsky Racquet & Shuttlecock - Manufactures IBF-approved, goose feather shuttlecocks. Contains facts about the materials used and manufacturing process. - http://www.shuttlecocks.com
Badminton Alley - Offers racquets, shuttlecocks, strings and accessories for badminton. - http://www.badmintonalley.com/
Badminton Warehouse - Online retailer of badminton rackets, shuttlecocks and accessories. Offers a badminton racquet selection guide. - http://www.badmintonwarehouse.com