Research industry in Korea has shown remarkable development in the past decade, mainly owing to the fact that the confidence level on the research itself has been largely improved as the major predictions based on poll result hit the mark in the past presidential elections, and also the change of management style in Korean business based on the rational decision making process. In this article, I will analyze the change of Koreans behavior toward public opinion research in diachronic manner and show the number and activities of Research Organizations in order to look into the present condition of research industry and then think about the future and the desirable direction of Korean research industry.