W4 domain registration: NetWizards - A founding member of CORE, authorized to make domain registrations for domain names in all the generic Top-Level Domains (TLDs).

W4 domain registration: NetWizards Domain Names - Offers registration of domain names as well as internet access, e-business solutions, top-level domain registration (tlds), and integrated processing solutions.

W4 domain registration: NetworldDomains - Bulk domain registration.

W4 domain registration: New.Net - Offers registration of the new domain names, such as .hola, .law, and .family

W4 domain registration: NewRegistrars - Info about the new domain name registrars established by ICANN, in competition with Network Solutions for registering global top-level domain names.

W4 domain registration: NEXTreg Domain Names Inc - Provides domain registration, web hosting, SQL servers, and email accounts.

W4 domain registration: NIC .gov - Registration service for the .gov and .fed.us domains intended for federal US entites.

W4 domain registration: NIC .mil - US defense department's registry service for its military top level domain .mil.

W4 domain registration: NIC .net - Provides registration and free searches for available domains.

W4 domain registration: NicAddress - Domain name registration and sales service for individuals and businesses that wish to have a unique address and a branded identity on the Internet.

W4 domain registration: NICForce - Domain name registration for .com, .net, and .org TLDs.

W4 domain registration: Nicgrab.com - Domain registration services.

W4 domain registration: NicRanch - Offers registration of top level domains, and webhosting.

W4 domain registration: NICregistration.com - Site offers domain registration and hosting.