<P> Current White Castle markets include Chicago; Cincinnati; Columbus, Ohio; Dayton; Detroit; Indianapolis; Las Vegas; Louisville; Lexington; Minneapolis--St. Paul; Nashville; New York City / New Jersey / Pennsylvania; and St. Louis . Louisville and Columbus also house bulk manufacturing (grocery store sales, meat and bun production) divisions . Company headquarters and the Porcelain Steel Buildings (PSB) division are in Columbus, Ohio . White Castle exited the Cleveland and Akron, Ohio markets effective December 25, 2014 . </P> <P> The first White Castle in the far western United States opened at the Casino Royale Hotel & Casino on the Las Vegas Strip on January 27, 2015 . This was the first expansion for White Castle into a different state in 56 years . On the first day of business, demand for food was so great that the restaurant had to temporarily close for two hours to restock . White Castle Vice President Jamie Richardson said that the store sold 4,000 sliders per hour in its first 12 hours . He was not aware of any similar closing because of demand in White Castle's 94 - year history . A second White Castle location opened in Las Vegas on September 22, 2017, on Fremont Street . </P> <P> In September 2015, White Castle began to offer veggie sliders with veganized buns making the sliders entirely vegan . </P> <P> In December 2015, White Castle announced that chief executive officer (CEO) E.W. "Bill" Ingram III would be stepping down at the end of the year, but continue to be chairman of the board . His daughter, Lisa Ingram, then became the fourth CEO of the company . </P>

Where did the name white castle come from