List of world's largest internet companies based on revenue and market capitalization. US and China is ruling this space , surprisingly there is only one Indian company in this list FlipKart which will be eventually removed after major share buyout by Walmart inc. (Source of this list Wikipedia.org) Rank by Revenue Company Industry Revenue ($B) FY Employees Market Cap ($B) Headquarters 1 Amazon E-Commerce, Cloud $177.86 2017 566,000 $737.692 Seattle , WA, USA 2 Alphabet Inc. Search, Cloud, Advertising $110.8 2017 80,110 $780.601 Mountain View, California , USA 3 JD.com E-commerce $55.7 2014 137,975 $64.26 Beijing , China 4 Facebook Social $40.65 2014 25,105 $528.22 Menlo Park , CA, USA 5 Tencent Social $21.90 2014 38,775 $563.55 Shenzhen , Guangdong, China 6 Alibaba E-commerce $22.99 2014 50,092 $510.05 Hangzhou , Zhejiang, China 7 Booking Travel $12.23 2014 18,500 [14] $9