Wienerschnitzel, The World's Largest Hot Dog Chain, Is Searching For International Partners To Go Global – Founded in 1961 by John Galardi in Southern California, Wienerschnitzel has become the world's largest hot dog chain, with more than 300 locations and serving over 120 million hot dogs per year. The popular brand with the fun, memorable name and delicious, flavor-packed menu options continues to grow throughout the