Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & personal care, broadband & dsl, gourmet food & just about anything else.

How much they make:
Where they're located: Indianapolis, Indiana, USA
Current team size: 1
Website traffic: 2.65B/month

4. WordPress.com

Create a free website or build a blog with ease on WordPress.com. Dozens of free, customizable, mobile-ready designs and themes. Free hosting and support.

Where they're located: Jacksonville, Florida, USA
Website traffic: 333M/month

5. WebMD

The leading source for trustworthy and timely health and medical news and information. Providing credible health information, supportive community, and educational services by blending award-winning expertise in content, community services, expert commentary, and medical review.

Where they're located: Portland, Oregon, USA
Website traffic: 152M/month