Mail id company

Here are some well-known companies that are also email providers:

1. Gmail - Google (google.com)
2. Outlook - Microsoft (outlook.com)
3. Yahoo Mail - Yahoo (yahoo.com)
4. AOL Mail - AOL (aol.com)
5. ProtonMail - Proton Technologies AG (protonmail.com)
6. Tutanota - Tutanota GmbH (tutanota.com)
7. FastMail - FastMail Pty Ltd (fastmail.com)
8. Zoho Mail - Zoho Corporation (zohomail.com)
9. Mail.com - United Online, Inc. (mail.com)
10. Lycos Mail - Lycos, Inc. (lycos.com)
11. iCloud Mail - Apple Inc. (icloud.com)
12. GMX Mail - United Internet AG (gmx.com)
13. Web.de Mail - 1&1 Ionos SE (web.de)
14. Mail.ru - Mail.ru Group (mail.ru)
15. Yandex Mail - Yandex N.V. (yandex.com)

Please note that this is not an exhaustive list, and there are many other email providers available.