#3 Amazon.com

Top 50 rank: 3

Rank in Internet Services and Retailing: 2 (Previous rank: 2)

Overall score: 7.28

Headquarters: Seattle, WA

Jeff Bezos is CEO of Amazon.com.

Amazon.com, Inc. is an American multinational electronic commerce company It is the world's largest online retailer. Amazon.com started as an online bookstore, but soon diversified, selling DVDs, CDs, video and MP3 downloads/streaming, software, video games, electronics, apparel, furniture, food, toys, and jewelry. The company also produces consumer electronics—notably the Amazon Kindle e-book reader and the Kindle Fire tablet computer—and is a major provider of cloud computing services.

Why it's admired:

There are few competitors in sight for the retail giant that is Amazon.com. With its low prices, efficient customer service and rapid geographical growth, it stands to become the largest beneficiary of the e-commerce industry boom. Last year Fortune ranked CEO Jeff Bezos as its Businessperson of the Year on the back of the company's stellar growth, especially in its Amazon Web Services and Kindle divisions. The company continues to take on a variety of competitors, going after Netflix's streaming services, Google and Apple's tablets, and brick-and-mortar stores across the country. There's even talk of an Amazon Smartphone.

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