Have you ever wondered just how big the world's top businesses really are? Today, a few giant corporations hold more wealth than entire nations. We measure this massive size using a term called market capitalization, which simply means the total value of all a company's stock shares.
Some technology and energy brands are now worth trillions of dollars. If these massive businesses were actual countries, they would rank among the richest economies on the planet.
From building computer chips to creating life-saving medicines, these 30 powerful groups shape our daily lives. Click to know who they are.
All figures in USD.