List of largest Internet companies
This is a list of Internet companies by revenue and market capitalization. The list is limited to dot-com companies, defined as a company that does the majority of its business on the Internet, with annual revenues exceeding US$1 billion. It excludes Internet service providers or other information technology companies. For a more general list of technology companies, see list of largest technology companies by revenue. This list is incomplete and does not include some dot-com companies acquired by incumbent brick and mortar firms to expand the distribution channels.
List
| Rank | Company | Revenue USD billions | F.Y. | Employees | Market cap. USD billions | Headquarters | Founded | Industry | Refs |
| 1 | Amazon | 2021 | 1,608,000 | $2,490 |  sort|339.85|$339.85sort|2,270|$2,270 |