Trump Sports
- Manufacturer of feather and nylon shuttlecocks, rackets for badmitton, tennis, and squash, and a full range of grips and accessories.
- http://www.trump-sports.com/

Hangzhou Hongda Stationery & Sporting
- Manufacturer of rackets for badminton, squash and tennis. China.
- http://www.hongdaracket.com/

Bow Brand International Limited
- Makes natural gut, synthetic and hybrid strings for racket sports and musical instruments. Includes company information, product description, string guide, news, and technical support. K.
- http://www.bowbrand.co.uk