5) Saleh Kamel – Net Worth: $3 Billion

This 73-year-old self-made billionaire is the founder and chairman of the conglomerate Dallah Albaraka, which has interests in real estate development, Islamic banking and food production. He is also the chairman of Al Baraka, which operates Islamic banks throughout the Middle East, Indonesia and Pakistan.

4) Mohammed Al Issa – Net Worth: $3.7 Billion

This 89-year-old self-made billionaire is one of the largest individual investors in the Saudi stock market. He has major stakes in Savola Group, one of the largest food processors in Saudi Arabia. He also holds major stakes in Riyad Bank and Saudi Hotels & Resorts Co.

3) Prince Sultan bin Mohammed bin Saud Al Kabeer – Net Worth: $4.2 Billion

This 60-year-old self-made billionaire is a member of the Saudi royal family. He is the founder of the Almarai, one of the largest dairy operations in the Middle East. He founded the company in 1977 and took it public in 2005, retaining 28.6 percent stake in the same.