Hilton Worldwide is a worldwide hotel chain which is held by Blackstone Group, a hidden knowledge equity organization. Hilton brands include 3, 897 hotels with over 642, 000 rooms in 91 countries world side. Corresponding to Forbes journal Hilton is one of the very most successful hotel series and 38th money-making company. The company also owns, cope with other trade name hotel chain like Waldorf Astoria hotels and resorts, Conrad hotels, embassy suites etc. Hilton was originally founded by Mr. Conrad Hilton in Tx and was head quartered in Beverly Hills' till 2009. Now it's put in Virginia. . Hilton hotels are possessed by, managed by, or franchised to self-sufficient providers by Hilton Worldwide. Hilton Hotels became the first coast-to-coast hotel group of the United States in 1943.