Following are the recently updated top 25 web hosts of the world in terms of number of domains and/or websites hosted on their servers. Most of them are domain registrars as well and provide web hosting services to clients from various geo-locations.

1. Go Daddy
2. eNom
3. Network Solutions
4. 1 and 1
5. Yahoo
6. Register
7. Dreamhost
8. Bluehost
9. OVH
10. Hostgator
11. Pipex
12. Hostmonster
13. Aruba
14. Dotster
15. Rackspace
16. Fasthosts
17. My Domain
18. United Domains
19. Gandi
20. Direct NIC
21. Verio
22. ix Web Hosting
23. Netfirms
24. Aplus.net
25. iPower Web

All of the above webhosting service providers provide such as hosting (shared hosting, dedicated hosting, managed hosting, cloud hosting, grid hosting, etc.), domains, SSL Certificates, Email Hosting, Dedicated IP Address, Email Hosting, Virtual Private Servers, Internet Connections & Co-location servers on Linux & Windows platforms. The complete article of Top 25 Web Hosts can be found here.