American electronic commerce company Amazon.com holds the 4th position in the United States. Amazon.com was started as a bookstore, but soon it became the largest Internet-based retailer in the United States. Now Amazon.com starts selling DVDs, VHSs, CDs, video and MP3 downloads/streaming, software, video games, electronics, apparel, furniture, food, toys and jewellery. The company also produces – Amazon Kindle e – book readers, Fire tablets, Fire TV and Fire Phone and now it has become a major provider of cloud computing services. Amazon has separate retail websites for United States, United Kingdom & Ireland, France, Canada, Germany, The Netherlands, Italy, Spain, Australia, Brazil, Japan, China, India and Mexico.

According to Alexa as of 27/03/2015, 130 million visitors visit per day and 1.5 billion daily page viewed per day.