Internet‑based companies generate revenue through online sales, financial transaction fees, paid advertising, cloud services, and a host of other business lines. The year 2020 were particularly strong growth years for this sector.The following 10 publicly traded Internet-based companies topped the list.

1. Amazon

Amazon launched in 1995 as an online bookseller and has since diversified to become the largest U.S. Internet-based retailer of a wide swath of products.

• In 2019, it reported $280.52 billion in revenue.

• It had a market cap of $1.38 trillion on June 30, 2020.

2. Alphabet Inc. (GOOGLE)

The Internet search giant is the world leader in search, contextual advertising, and other online offerings. NASDAQ‑listed Google had a market cap of $964.51 billion on June 30, 2020.6 In 2019, its total revenue was $161.86 billion.

#3. Facebook (FB): NASDAQ‑listed Facebook is the world's most popular social networking site. In Oct. 2014, it acquired WhatsApp for a whopping $19 billion and has also made many other relatively smaller acquisitions. Facebook reported a total revenue of $70.7 billion in 2019.9 It had a market cap of $647.15 on June 30, 2020.

3. Facebook

NASDAQ‑listed Facebook is the world's most popular social networking site. In Oct. 2014, it acquired WhatsApp for a whopping $19 billion and has also made many other relatively smaller acquisitions. Facebook reported a total revenue of $70.7 billion in 2019. It had a market cap of $647.15 on June 30, 2020



4. Tencent Holdings

Based in China, the Hong Kong Stock Exchange-listed Tencent Holdings isn't yet a household name outside of Asia, where it is known for its apps, online games, advertising, and messaging services like WeChat. In 2019, its revenues stood at approximately $56.59 billion, and it boasted a market cap of $614.68 billion on June 30, 2020. Tencent is available for trading at Nasdaq through American depositary receipts.

5.Alibaba

NYSE‑listed Alibaba made headlines in 2014 when its initial public offering (IPO) became the world's largest IPO ever.14 The Chinese e-commerce giant had a market cap of $581.20 billion on June 30, 2020. In 2019, its revenue was $56.15 billion.

6. Netflix

Netflix is an entertainment company that provides video streaming services. It has a network of over 167 million members across more than 190 countries. Its market cap was $200.68 billion on June 30, 2020. In 2019, its total revenues were $20.16 billion.

7. Salesforce. com

This giant in enterprise cloud computing and social enterprise solutions is listed on the New York Stock Exchange. It had a market cap of $176.92 billion on June 30, 2020. In 2019, its total revenues were $13.28 billion.

8. JD. com

Nasdaq-listed JD. com is a Chinese e-commerce company headquartered in Beijing. It is one of the largest B2C online platforms in China and a member of the Fortune Global 500. Its market cap was $93.01 billion on June 30, 2020. In 2019, its total revenues were $82.865 billion.

9. Booking. com

Booking. com is the online travel company that lets users book reservations for restaurants, hotels, rental cars, airline tickets, safaris, cruises, and other travel services through booking. com, priceline. com, and agoda. com. It had a market cap of $65.20 billion on June 30, 2020. In 2019, its total revenues were $15.07 billion. 

10. Baidu

While Google is the world's largest online search engine, it has limited reach in China where Baidu prevails, thanks to its ability to offer maps, news, videos, anti-virus software, and Internet TV. It is listed in the Cayman Islands and is known to restrict search results to comply with Chinese laws and political directives. Its American depository receipt is listed on Nasdaq. It had a market cap of $41.32 billion on June 30, 2020, and it boasted 2019 revenues of $15.43 billion.