Here is a list of the Top 10 domain name registrars listed by volume of domain names under their control. The + or - is the gain or lose over the past 30 days total. This number includes domains that have transfered in, transfered out, expired domains and new domain registrations.

1. Godaddy.com 25,756,238 Total, with a Positive gain over the past 30 days of 495,563 domain names.
2. eNom.com 8,783,595 Total, with a Positive gain over the past 30 days of 75,746 domain names.
3. NetworkSolutions.com 6,692,285 Total, with a Lose over the past 30 days of 15,841 domain names.
4. Tucows.com 6,373,882 Total, with a Positive gain over the past 30 days of 37,463 domain names.
5. Melbourneit.com.au 5,076,432 Total, with a Positive gain over the past 30 days of 20,307 domain names.
6. 1and1.com 3,601,730 Total, with a Positive gain over the past 30 days of 19,747 domain names.
7. WildWestDomains.com 3,120,536 Total, with a Positive gain over the past 30 days of 56,140 domain names.
8. Moniker.com 2,733,026 Total, with a Lose over the past 30 days of 13,619 domain names.
9. Register.com 2,680,146 Total, with a Positive gain over the past 30 days of 22,047 domain names.
10. PublicDomainRegistry.com 1,918,925 Total, with a Positive gain over the past 30 days of 44,402 domain names.

Here is a list of the Top 100 Domain Name Registrars as requested by a reader. www.dotweekly.com/wp-content/uploads/Top 100 Registrars.txt