- MAFF AVENUE, INC. // China Domains Registrar
- MAFF Inc. // United States of America Domains Registrar
- Magic Friday, LLC // India Domains Registrar
- Magnate Domains, LLC // United States of America Domains Registrar
- Magnolia Domains, LLC // United States of America Domains Registrar
- MainReg Inc. // Bulgaria Domains Registrar
- Major League Domains, LLC // United States of America Domains Registrar
- Marcaria.com International, Inc. // United States of America Domains Registrar
- MarkMonitor Inc. // United States of America Domains Registrar
- MarkMonitor Information Technology (Shanghai) Co., Ltd. // United States of America Domains Registrar
- Masterofmydomains.net LLC // United States of America Domains Registrar
- MAT BAO CORPORATION // Viet Nam Domains Registrar
- Mayi Information Co., Limited // Hong Kong, China Domains Registrar
- Media Elite Holdings Limited // Panama, Republic of Domains Registrar
- Meganames LLC // United States of America Domains Registrar
- Megazone Corp., dba HOSTING.KR // Korea, Republic of Domains Registrar
- Mesh Digital Limited // United States of America Domains Registrar
- Metaregistrar BV // Netherlands Domains Registrar
- Mfro Inc. // Japan Domains Registrar
- Microbreweddomains.com LLC // United States of America Domains Registrar
- Microsoft Corporation // United States of America Domains Registrar
- MidWestDomains, LLC // United States of America Domains Registrar
- Mighty Bay, LLC // India Domains Registrar
- Mijn InternetOplossing B.V. // Netherlands Domains Registrar
- Millennial Names LLC // United States of America Domains Registrar
- Misk.com, Inc. // United States of America Domains Registrar
- MISTERNIC LLC // United States of America Domains Registrar
- Mixun Ltd // China Domains Registrar
- Mixun Network Technology Co., Limited // Hong Kong, China Domains Registrar
- MOBIKAPP Limited // Israel Domains Registrar
- Moniker Online Services LLC // United States of America Domains Registrar
- Moon Shot Domains, LLC // United States of America Domains Registrar
- Mps Infotecnics Limited // India Domains Registrar
- Mvpdomainnames.com LLC // United States of America Domains Registrar
- Mypreciousdomain.com LLC // United States of America Domains Registrar
