- Taiwan Network Information Center // Taipei, Chinese Domains Registrar
- Taka Enterprise Ltd // Japan Domains Registrar
- Targeted Drop Catch LLC // United States of America Domains Registrar
- Tech Tyrants, LLC // India Domains Registrar
- Tecnocr?tica Centro de Datos, S.L. // Spain Domains Registrar
- Tecnologia, Desarrollo Y Mercado S. de R.L. de C.V. // Honduras Domains Registrar
- Tencent Cloud Computing (Beijing) Limited Liability Company // China Domains Registrar
- Terranet (India) Private Limited // India Domains Registrar
- The Domains LLC // United States of America Domains Registrar
- The Namespace Group Pty Ltd // Luxembourg Domains Registrar
- The Registrar Company B.V. // Netherlands Domains Registrar
- The Registrar Service, LLC // India Domains Registrar
- The Registry at Info Avenue, LLC d/b/a Spirit Communications // United States of America Domains Registrar
- TheNameCo LLC // United States of America Domains Registrar
- ThirdFloorDNS.com LLC // United States of America Domains Registrar
- Thirdroundnames LLC // United States of America Domains Registrar
- Threadagent.com, Inc. // China Domains Registrar
- Threepoint Domains LLC // United States of America Domains Registrar
- Tianjin Zhuiri Science and Technology Development Co Ltd // China Domains Registrar
- Tiger Shark Domains, LLC // United States of America Domains Registrar
- Tiger Technologies LLC // United States of America Domains Registrar
- Tirupati Domains and Hosting Pvt Ltd. // India Domains Registrar
- Titanic Hosting, LLC // India Domains Registrar
- TLD Registrar Pty Ltd // Australia Domains Registrar
- TLD Registrar Solutions Ltd. // United Kingdom of Great Britain and Northern Ireland Domains Registrar
- TLDS L.L.C. d/b/a SRSPlus // United States of America Domains Registrar
- Tname Group Inc. // Hong Kong, China Domains Registrar
- Todaynic.com, Inc. // China Domains Registrar
- TOGLODO S.A. // Costa Rica Domains Registrar
- Tool Domains Ltd dba Edoms.com // Bulgaria Domains Registrar
- Top Level Domains LLC // United States of America Domains Registrar
- Top Pick Names LLC // United States of America Domains Registrar
- Top Shelf Domains LLC // United States of America Domains Registrar
- Top Tier Domains LLC // United States of America Domains Registrar
- Topnets Group Limited // China Domains Registrar
- Topsystem, LLC // United States of America Domains Registrar
- Total Web Solutions Limited trading as TotalRegistrations // United Kingdom of Great Britain and Northern Ireland Domains Registrar
- TotallyDomain LLC // United States of America Domains Registrar
- Touchdown Domains LLC // United States of America Domains Registrar
- Trade Starter, LLC // India Domains Registrar
- TradeNamed LLC // United States of America Domains Registrar
- Tradewinds Names, LLC // United States of America Domains Registrar
- Traffic Names, LLC // United States of America Domains Registrar
- TransIP B.V. // Netherlands Domains Registrar
- Travel Domains, LLC // United States of America Domains Registrar
- Treasure Trove Domains LLC // United States of America Domains Registrar
- Tropic Management Systems, Inc. // United States of America Domains Registrar
- Tucows Domains Inc. // Canada Domains Registrar
- Tuonome.it Srl d/b/a APIsrs.com // Italy Domains Registrar
- Turbonames LLC // United States of America Domains Registrar
- Turkticaret.net Yaz?l?m Hizmetleri Sanayi ve Ticaret A.?. // Turkey Domains Registrar
- TurnCommerce, Inc. DBA NameBright.com // United States of America Domains Registrar
- Tuvaludomains, LLC // United States of America Domains Registrar
- TWT S.p.A. // Italy Domains Registrar
