Computers would not be the same without computer chips. But who actually makes these tiny devices?

Most of the world’s computer chips are made by a handful of companies. The largest of these is Intel, which makes about two-thirds of the world’s computer chips. Other major chipmakers include Samsung, Taiwan Semiconductor Manufacturing Company, and Global Foundries.

These companies have huge factories where computer chips are made. The process of making a computer chip is extremely complex and involves many steps. The chips are made from silicon, which is a type of metal. To make a chip, the silicon is first …