GoDaddy, World largest, many extras
GoDaddy is the wordl's largest registrar in terms of number of registered domains.
Godaddy sells domain names and services directly, GoDaddy also offers there services and support from resellers, resellers subscribed with GoDaddy's sister company WildWestDomains.
GoDaddy is known for there coupons and promotions, and sell domain names at prices very close to the registry, and beaten (In price) only be there own resellers (WildWestDomains resellers).
In our statistic of domain names registered in 2011, GoDaddy came first with 24.91% share of the domain names market, where Enom came second with 8.54%
GoDaddy manages 8 ICANN registrar accounts (Same or sister company)
Blue Razor Domains, Inc.
Wild West Domains, Inc.
Go Australia Domains, Inc.
Go Canada Domains, Inc.
Go China Domains, Inc.
Go France Domains, Inc.
Go Montenegro Domains, Inc.