The current registrars for ".ai" are below and growing fast:
  1. 101domain.com
  2. Key-Systems GmbH
  3. marcaria.com
  4. nameaction.com
  5. idcicp.com
  6. quyu.net
  7. markmonitor.com
  8. 1api.net
  9. ai-domain.com
  10. zhuce.ai
  11. EPAG Domainservices GmbH
  12. EU Technology(HK) Limited
  13. Domain Club
  14. bNamed.net
  15. Tool Domains
  16. Nameshield
  17. 007Names
  18. Netz0
  19. zenaida.cate.ai - FADT
  20. Porkbun.com
  21. Namecheap.com
  22. NameSilo.com
  23. InternetX.com
  24. Spaceship.com
  25. Nom-IQ Ltd t/a Com Laude
  26. VentraIP
  27. Hosting Concepts B.V t/a Openprovider
  28. NicNames.com (NicNames, Inc) - FADT
  29. DonDominio.com
  30. Dynadot - FADT
  31. INWX
  32. Lexsynergy Limited
  33. EnCirca
  34. WebNIC
  35. GName.com
  36. Variomedia AG
  37. Name.com
  38. Nfly.com
  39. Blacknight
  40. Nominus.com
  41. AppCroNix Infotech Private Limited, d/b/a VEBONIX

    To be on this list a registrar just has to handle ".ai" registrations, renewals, and transfers (in and out).

    FADT

    FADT = Free Auction Domain Transfer. This registrar does not charge their clients for domains transferred from auction.whois.ai where expired .ai domains are auctioned.