Italian Naming Authority
- Official site of the organization which defines the rules for the assignment of Italian domain names. General information, rules and procedures, documents archive.
- http://www.nic.it/NA/index-engl.html

Tuonome
- Offers registration of Italian and international domain names, hosting and other related services. Whois database and form to check domain availability.
- http://www.tuonome.co.uk/

Aruba
- Italian and international domain registration service, also offers hosting and domain-related services. Form to check domain availability and to purchase services online.
- http://domains.aruba.it/

Netsystem
- Offers broadband Internet connection via satellite all over Italy. Describes its services and different solutions available.
- http://www.netsystem.com/eng/

Tiscali
- Offers integrated Internet access, portal and e-commerce services as well as voice and data transmission services.
- http://www.tiscali.com/