.PRO is an exclusive top-level domain reserved for use exclusively by service professionals and entities internationally. All applicants meeting the following qualifications may register a .PRO domain name:
Provides professional services
Validated by a government certification body or government-recognized jurisdictional entity that regularly verifies the accuracy of its data
In good standing with its authority
In addition, registrants will be asked to provide the following information related to their professional eligibility:
Identification
Contact information
Profession-specific information such as ID number
via
http://www.registry.pro/pro/eligibility