Cnnames - Offers Chinese domain registration and includes search. - http://www.cnnames.net/
CJ's Domains - Single and bulk domain registration service. - http://www.cjsdomains.com
Click 2 Register - Registration services for .com, .net, .org, .biz, and .info domain names. - http://www.click2reg.com/
Calico UK Domain Registration - Domain name registrations with free email and web hosting. - http://domains.cali.co.uk/
Conexim Australia - Australian domain name registration services - .com.au and gTLDs. - http://domainnames.conexim.com.au/
Cydian Technologies - Domain name registration, web hosting and marketing services. - http://www.cydian.com/
Cyberlogic Network - Canadian Internet Service Provider. Domain name registration and web hosting. - http://www.cyberlogic.net/
CyberID - Free UK and International domain name registration with web hosting. Domain parking if you don't want to publish your web site just yet. - http://www.cyberid.co.uk/
CoolcomDotCom - Canada .ca domain registration service for Canadian domain names. - http://www.domain.ca/
CentralNic - UK based global domain registration service. - http://www.centralnic.com/
Cheap Domain Name Registrar - Domain name registration with free email and URL forwarding. - http://www.cheap-domain-name-registrar.com/
CARegistration - Domain name registration service for .ca domains. - http://www.caregistration.com/
Canadian Domain - Provides domain name registration to the Canadian market and a free search for available domain names. - http://www.canadiandomain.com/