Uninett Norid AS, trading as Norid, is the domain name registry for the three Norwegian country code top-level domains (ccTLD) .no, .sj and .bv. The non-profit company is based in Trondheim, where it shares offices with its parent company Uninett; both companies being owned by the Norwegian Ministry of Education and Research. Norid operates under contract with the Internet Assigned Numbers Authority, supervised by the Norwegian Post and Telecommunications Authority.