Saudi Aramco sees itself right at the heart of the Saudi Vision 2030 transformation plan, set out this week by Prince Muhammad. And at the heart of Aramco’s own vision is a greater role for petrochemicals SMEs.

State petroleum giant Saudi Aramco says it will maintain its role as the world’s top oil exporter while using downstream expansion to help drive the national transformation set out this week by Deputy Crown Prince Muhammad bin Salman, head of the Saudi energy sector...