For more than a century, Wilson has become a benchmark for sports such as tennis, golf, baseball and American football. In addition to the classics, Wilson is characterised by the development of reference products for each category. Wilson is the premier manufacturer of balls worldwide. The main reference sports are tennis, baseball, volleyball, football, golf, basketball, softball, badminton and squash. Wilson's activity revolves around three major fields: racket sports, team sports and golf. Based in Chicago, United States, Wilson distributes to more than 100 countries worldwide.