Wilson Racket   Wilson Sporting Good Companies is owns the largest market share in the sports industry. The company started making tennis strings in 1914 and from then on became one of the biggest tennis companies ever. Their big break came when Jack Kramer, who is considered the father of modern tennis, joined their advisory board. Because of his presence in the Wilson Companies, 10 million Jack Kramer autograpahed tennis rackets were sold in thirty years. In 1976, Wilson opened a tennis manufacturing company in Ireland. Their biggest hit, though, was in England where they sold millions of products. In 1990, they designed the 2.7 si racket that became the best selling racket ever made. By then, Wilson was way beyond its competitors and the biggest sporting company in the world.
Head Racket
Head was founded in 1950 by Howard Head in Baltimore, Maryland. Head originally started as a ski company but soon Howard Head figured out that by adding an aluminum frame to the racket, he would strengthen it. His idea was a major success and was first introduced in the 1969 US Open. In 1985, Head introduced the "Radial Tennis Shoes" and opened a plant in Austria to make more tennis rackets. In 1997, they had a breakthrough when they created the first titanium and graphite tennis rackets. After their success, they bought the company Penn which is currently makes the number one selling tennis ball. Today, many of the best tennis players like Novak Djokovic choose head for their tennis rackets.  
  Babolat Racket Babolat is a French company that makes tennis rackets. Babolat has been making strings ever since 1875. In 1994, they decided to become an all tennis company and focus on making full tennis rackets. Babolat actually moved to the United States in 2000. The most popular racket that Babolat ever made was the VS Brand Gut which they made 50 years ago. Today, this racket is still one of the best selling rackets in the world.At the 2005 Australian Open, Babolat was so popular that it surpassed major companies like Wilson, Head, Prince, and Dunlop. Today, players like Rafael Nadal, Andy Roddick, Fernando Gonzalez, and Nadia Petrova play with a head racket.
Bob McClure was in his garage one day and he created a ball machine called "little Prince." From that day on, the Prince company was created. They started with manufacturing only ball machines but then in 1976 the first oversized racket was invented. The Prince Classic becomes the most successful racket of all time. Only two years later, Prince creates the first multi-filament string which becomes the top seller that same year. Prince has been making new products every year and some even in 2009. This year they created the EX03 racket which changes the laws of physics. The racket captures more energy at impact before there's time for the energy to be wasted. The racket gives playing benefits to all types of players. Prince Racket