: The study held in PT. ACE Jaya Proteksi Pekanbaru branch in order to analyze how strong customers' awareness of corporate brand existence through advertising media and messages. Population were customers of ACE Jaya Proteksi Pekanbaru Branch. By using Djarwanto & Subagyo formulation, was obtained 96 samples and rounded up to 100 respondents. Data was analyzed by using multiple regression analysis. The result reveals that either simultaneously or partially, advertising media and message significantly influence the brand awareness. Customers' awareness of product or corporate brand is 96,5% affected by the effectivity of media choice and ads content. It is recommended to enhance ads intensity in newspaper and broaden its coverup. Prize-base quiz is recommended to be model for radio advertisement. Ads content is better visualized more colorful and have more graphics so that it will be unique and different as compared to others.