It has been more than a century since Hizon Laboratory Inc. (HLI) first opened its doors, making it the very first pharmaceutical manufacturing company in the Philippines. Founded by Don Primo K. Hizon, this venerable institution was grounded even then in the font of knowledge and education for Mr. Hizon was a professor of chemistry at his alma mater who owned a drugstore, devoted much of his time and energies to research and often experimented with pharmaceutical preparations.