text: Since the early 1990s the top professional paintball tournaments in the US have been produced by the companies that came together to form Paintball Sports Promotions. These events include the LA Open, Chicago Open, Las Vegas Open, Mardi Gras Open, Philadelphia Open and Paintball World Cup in Orlando, FL.
  Today, PSP produces events for the National X-Ball League - where the top players in the world compete, Division 1 and 2 X-Ball - the only national pro/am X-Ball series, as well as the largest national 10 and 5 man pro/am series tournaments in the US.