Diadem
Diadem Sports designs tennis and pickleball equipment, including paddles, rackets, strings and shoes. The company was founded in 2015 in South Florida and is based in Pompano Beach.
Tennis and pickleball equipment

Geau Sport is an independent, family-owned designer of tennis and pickleball bags based in Greenville, South Carolina. Founder Chris Pageau drew on his outdoor-product design experience to create bags focused on storage and organisation.
Same category, HQ in USA
Diadem Sports designs tennis and pickleball equipment, including paddles, rackets, strings and shoes. The company was founded in 2015 in South Florida and is based in Pompano Beach.
Tennis and pickleball equipment
GAMMA Sports makes equipment for tennis, pickleball and padel, including strings, grips, pickleball paddles and balls such as the GAMMA Photon indoor ball. Its story began more than four decades ago with the aim of creating a better tennis string: nuclear engineer and tennis player Dr. Harry Ferrari, frustrated after his gut strings broke during a match, began experimenting with irradiating strings, which led to the company's TNT process.
Specialist sports equipment
Genesis is an American racquet-sports equipment brand founded by tour-level players in 2006. It develops tennis strings and grips, with products also covering padel and pickleball.
Tennis strings, grips and racquet-sport equipment
Glove It makes coordinated golf and active-lifestyle accessories for women. Founded by Karen Gleason, it offers golf gloves and bags, club covers, visors, tennis backpacks and pickleball bags.
Women's golf and racquet-sport accessories
Prince is a tennis-equipment brand whose site dates its on-court history to 1970. It sells racquets and other tennis gear, presenting the brand's legacy through the players associated with it and a mix of performance equipment and tennis lifestyle. Its current site centres the Prince name and tennis rather than establishing any specific present-day team or athlete endorsement, so no unverified sponsorship is asserted here.
Specialist sports equipment
ProKennex sells racquets and equipment for tennis and pickleball, including its Q+ series of racquets and a range of paddles. Its online catalogue also includes bags and other court accessories, serving players who want competition and recreational equipment. The brand describes its technologies for racquet and paddle performance on its product pages; testimonials and injury-relief comments from shoppers are not established medical claims or verified partnerships.
Specialist sports equipment
Wilson Sporting Goods makes equipment, apparel and accessories for racquet and team sports, among others. Its company page dates its founding to 1914 in Chicago and identifies Wilson as an Amer Sports brand. It lists ATEC, DeMarini, EvoShield and Louisville Slugger in its portfolio, while describing Luxilon as an exclusive distributor agreement rather than an owned brand. The brand's language about helping athletes perform is its own positioning, not a guarantee attached to a product.
Racquet and team sports equipment
Ashaway Line & Twine Manufacturing Company is the only United States manufacturer of racket strings, making squash, badminton, racquetball and tennis strings used by leading professional players, all made in the USA. It is also a world leader in bulk, non-sterile suture threads, from 25-micron nylon monofilament for neurosurgery to braided polyester for open heart surgery, and custom-designs braided products for other industries.
Specialist sports equipment