Simec-Expo Saudi Arabia ranks among the best G20 economies.  Saudi Arabia possesses around 18 per cent of the world’s proven petroleum reserves and ranks as the world ‘second largest of crude reserves. It also has the fifth-largest proven natural gas reserves. Saudi Arabia is a Founder Member of OPEC with total resource valued at $ 34.4 trillion to become the third country after Russia and the US to have the most plentiful and valuable natural resources.