1. Sheldon Adelson – this Casino billionaire is not only the richest casino owner, he’s also the third-richest man in America. His new Sands Casino in Macao is a major cause of his $26 billion fortune.

2. Stephen Wynn – is No. 86 on the Forbes list and has a net worth of $3.9 billion and climbing. He has also opened a new casino in Macao.

3. William Hilton – comes in third on this list and No. 194 on the Forbes list. The hotel giant and part owner of Harrahs is worth an estimated $2.3 billion.

4. Phillip Ruffin – is worth $2.1 billion, most of which he got from selling property he owned on The Strip since 1998. He also owns the New Frontier Hotel and Casino.

5. Frank and Lorenzo Fertitta – the brothers owned 41 casinos before they bought the Ultimate Fighting Championships (UFC). They’re worth $1.3 billion apiece and growing.