Fox 40, a world-famous whistle brand from Canada was founded by Ron Foxcroft, who introduced his fox 40 classic pea less whistle at the 1987 pan American games in Indianapolis. It was here that his innovative pea less design changed the game for referees worldwide.

The fox 40 whistle is the whistle of choice for referees in numerous professional sports leagues including the NBA, NFL, NHL, CFL, and NCAA. Fox 40 whistles are not only for sports, they are also used around the world by organizations and individuals for search and rescue, marine, outdoor and personal safety.