The Register of Professional Archaeologists maintains a live, searchable registrant directory of every active, certified RPA.
NAME (to search by name) i.e. First Name, Last Name or First & Last Name.
COUNTRY (to search by country) i.e. Mexico, Canada, Hong Kong, United States.
LOCATION (to search by state) Select the COUNTRY first. Then a drop-down menu will appear for a specific location within that country. i.e. a city, state, province.