| Prefixo | Organização | Intenção | Site da Internet | Contato | Inscrito |
|---|---|---|---|---|---|
| yes | Yellow Software | Yellow Components | www.yellowsoftware.com | Louck Sitskoorn | 10-Mar-2004 |
| Yew | Yewsoft | Yew toolkits | www.yewsoft.com | Davy Yew | 09-Aug-2000 |
| ype | Tendon Consulting Group | Reserved | www.tendon.net | Steve Tendon | 23-May-2000 |
| YSF | Youseful | Youseful Installation Comp; Application INSTALL | www.youseful.com | Bill White | 30-Dec-1899 |