History R=Infinity Alpena Insulator Companies . List Includes U. S. and Foreign Companies. and Company Catalogs in the Files of the. Insulator Research Service. R=∞ Home. The original. LIST Doon OF PASSERS Board Exam Result The Professional Regulation Commission PRC released the result for Board Exam. In Alvin this article, the full list of passers Rutland will be posted here. Electrical Engineer REE. The Professional Regulation Commission PRC already released the list of successful examinees for the Electrical Engineer REE Licensure.