Chinese Domain Name Consortium
   Established on May 2000 in Beijing by four NICs. As an independent non-profit organization, CDNC will mainly take in charge of the coordination and regulation about Chinese domain name around the world.
   http://www.cdnc.org/

ICANN Internationalized Domain Names Internal Working Group
   established by ICANN to identify the various internationalization efforts and the issues they raise, to engage in dialogue with technical experts and other participants in these efforts, and to make appropriate recommendations to the Board.
   http://www.icann.org/committees/idn/

ICANN Public Comments Forum on Internationalized Domain Names
   Established for comments and discussion about the introduction of internationalized domain names.
   http://forum.icann.org/idn1/

Internationalized Domain Name Certified Registrars
   List by locations. From VeriSign website.
   http://www.verisign-grs.com/idn/customer.html

Multilingual Internet Names Consortium
   A non-profit, non-governmental, international organization focuses on the promotion of multilingualisation of Internet names, including Internet domain names and keywords, internationalization of Internet names standards and protocols.
   http://www.minc.org/

Network Solutions Global
   Registering Multilingual domain names in 350 languages. Including a faq section .
   http://global.networksolutions.com/

Outstanding.com
   multilingual domain name registration service.
   http://multilingual.outstanding.com

Unicode Domain Names
   A multilingual domain names registration center providing Chinese, Japanese and Korean domain names.
   http://www.unicodedn.com/

VeriSign IDN
   VeriSign's informational website on IDNs issues.
   http://www.noenglishnecessary.com

VeriSign IDNs
   Provides services for adoption of internationalized domain names.
   http://verisign.com/products-services/naming-and-directory-services/naming-services/internationalized-domain-names/index.html

VeriSign Internationalized Domain Name Testbed
   Overview of the Verisign testbed for IDNs, technical information and customer support. A tool for converting an internationalized domain name to its RACE version that is stored in their whois database is available.
   http://www.verisign-grs.com/idn/index.html

i-DNS.net International
   Multilingual internet technology and solutions provider. Different services and products for the registry, registrar and registrant.
   http://www.i-dns.net

online decoder and encoder for IDNs
   Online decoding and encoding of Internationalized Domain Names for testing purposes.
   http://www.pstruh.cz/util/idn/punycode-decoder-encoder.asp