A number of Top Level Domains are available for TREx protection. Can I select the TLDs for which I want TREx protection?

The TREx Service covers a bundle of TLDs, which is offered as a package and cannot be divided. 

FAQ

Account

API (Automated Interface)

Financial

general

proof of use

Registrars

Registries

TMCH Services

trademark record

trademark submission

TREx Service

user registration