- Fair Trade Domains, LLC // United States of America Domains Registrar
- Fastball Domains LLC // United States of America Domains Registrar
- FastDomain Inc. // United States of America Domains Registrar
- FBS Inc. // Turkey Domains Registrar
- Fenominal, LLC // United States of America Domains Registrar
- Fetch Registrar, LLC // United States of America Domains Registrar
- Fiducia LLC, Latvijas Parstavnieciba // Latvia Domains Registrar
- Find Good Domains, LLC // India Domains Registrar
- FindUAName.com LLC // United States of America Domains Registrar
- FindYouADomain.com LLC // United States of America Domains Registrar
- FindYouAName.com LLC // United States of America Domains Registrar
- Fine Grain Domains, LLC // United States of America Domains Registrar
- First Alliance Group Ltd T/A Netclues Inc // Cayman Islands Domains Registrar
- Firstround Names LLC // United States of America Domains Registrar
- Flancrestdomains.com LLC // United States of America Domains Registrar
- FLAPPY DOMAIN, INC. // China Domains Registrar
- Fluccs - The Australian Cloud Pty Ltd // Australia Domains Registrar
- Focus IP, Inc. dba AppDetex // United States of America Domains Registrar
- Foshan YiDong Network Co., LTD // China Domains Registrar
- Free Dive Domains, LLC // United States of America Domains Registrar
- Free Drop Zone LLC // United States of America Domains Registrar
- Free Spirit Domains, LLC // United States of America Domains Registrar
- Freefall Domains LLC // United States of America Domains Registrar
- Freeparking Limited // New Zealand Domains Registrar
- French Connexion SARL dba Domaine.fr // France Domains Registrar
- Freshbreweddomains.com LLC // United States of America Domains Registrar
- FrontStreetDomains.com LLC // United States of America Domains Registrar
- Fujian Domains, Inc. // China Domains Registrar
- Fushi Tarazu, LLC // United States of America Domains Registrar
- Fuzhou Zhongxu Network Technology Co., Ltd. // China Domains Registrar
