- Sheldon Adelson, 79, chairman and CEO of Las Vegas Sands Corporation: $44.2 million
- Harold Simmons, 81, owner of $9 billion company Contran Corporation: $22 million
- Bob J. Perry, 80, owner of a real estate firm worth about $650 million: $18.3 million
- Robert Rowling, 58, owner of TRT Holdings, which is the parent company of Gold's Gym and Omni Hotels: $5.1 million
- William Koch, 72, invests in oil and other industries and has a $4 billion net worth: $4 million
Did you donate to any of the presidential campaigns this year?