These companies belong to the elite trillion-dollar club

As Tesla hits a $1-trillion market cap, here we take a look at the companies that belong to the elite trillion-dollar club:

Tesla | An American electric vehicle and clean energy company is the latest entrant in the $1-trillion club. Elon Musk’s Tesla became the sixth company in the US to be worth $1 trillion. It took 18 years for the company to hit the $1-trillion mcap milestone and become the world's second-fastest company to achieve this feat. Credit: AFP Photo

Facebook | The social networking company achieved this feat in just over nine years after its initial public offering. Credit: AFP Photo

Alphabet | The parent company of Google crossed the milestone in 15 years. Credit: Reuters Photo

Amazon | The tech giant took nearly 21 years to achieve this feat. Credit: AFP Photo

Microsoft | The technology company took almost 34 years to hit the $1-trillion market cap. Credit: Reuters Photo

Apple | The American multinational technology company took the longest, over 37 years, to enter the elite trillion-dollar club. Credit: AFP Photo