![The World's 20 Largest Corporations by Revenue | The Geography of Transport Systems](https://i0.wp.com/transportgeography.org/wp-content/uploads/corporations_largest.png?resize=900%2C422&ssl=1)
Updated the ranking of the world’s largest corporations by revenue. Scalability is the core driver which is achieved differently depending on the activity sector. For retail and e-commerce, this involves the setting of a large distribution network. For energy and mining, it is mostly through economies of scale in extraction and transformation.