Top 10 US web hosts ratings, based on domains, January 2011.

Rank Hosting Company Domains
1 Wildwestdomains 32,472,236
2 Oneandone 2,907,273
3 Hostgator 2,018,411
4 Yahoo hosting 1,670,541
5 Bluehost 1,590,588
6 Dreamhost 1,205,317
7 Hostmonster 769,339
8 Mediatemple 465,467
9 ATT-hosting 439,626
10 Ipowerweb 438,151


The entire data set currently consists of all COM, NET, ORG, BIZ, INFO Domain Names.

The clients of a Web Hosting company are identified as all Domains served by the nameservers of that particular Company.

Source of data: webhosting.info