Jersey takes its burgers seriously. A regional chain operated by a former New York Giant, and this one is establishing a presence in NJ for the first time. Small burgers mean more burgers. Krystal is a leading burger chain across the South, with nearly 300 locations in 13 states. READ MORE: Once Popular NJ Burger Chain Closes LocationNJ.com reports that Krystal will open its first NJ location in Union on March 2 at 22 East Route 22.