It's just a start. They have a more powerful grasp on the world supply of food than the joint grasp of Google, Microsoft, and Apple on the computing world.
You'd be surprised how many "artisan", "organic", and "fair-trade" brands they own, too.
The full list of their brands did not fit in the main Wikipedia article, so they had to create a separate one: https://en.wikipedia.org/wiki/List_of_Unilever_brands.