Enom.com

Enom.com

https://cp.enom.com/domainsearch/default.aspx
CSC

CSC

https://www.cscglobal.com/global/web/csc/digital-brand-services.html
Ascio

Ascio

https://www.ascio.com/newgtlds
Dynadot

Dynadot

https://www.dynadot.com/domain/build.html
EuroDNS

EuroDNS

https://www.eurodns.com/international-domain-names/build-domain-registration/