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

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

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

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

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

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

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

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

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/

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/

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/

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/