5 & Diner is a popular restaurant chain known for its nostalgic 1950s and 1960s themed menu, serving freshly prepared food. Founded in 1989 by a group of entrepreneurs, the restaurants offer a fun and retro atmosphere with affordable prices. Their menu features award-winning burgers and shakes, as well as other classic diner fare. The company's commitment to quality food, service, and nostalgic charm has earned 5 & Diner a reputation as one of the best diners in the state of Arizona.