Portfolio analysis is a useful analytical tool employed in determining the strategic direction and the scale of resource allocation for strategic business units within a corporation. Since problems and limitations arise when using only a single portfolio analysis model, effective resource allocation decisions for a corporation can be achieved by applying an integrated portfolio analysis model that combines complementary portfolio models. In this case, one of the models should be a financially-oriented portfolio model that enables the identification of the efficient frontier. The research model presented in this study for empirical research (1988) is an expanded and further developed integrated portfolio analysis model based on the Mahajan and Wind model (1985)—considered the most useful among such integrated portfolio models—with the additions of (1) strategic factors based on forecasted data and managers' subjective judgment in the SD (standard deviation) approach, and (2) future position and strategic position in the business planning matrix approach. The structure of this study consists of I. Introduction, II. Integrated Portfolio Analysis and Efficient Resource Allocation, III. Theoretical Review of Integrated Portfolio Analysis, IV. Empirical Study on Integrated Portfolio Analysis for Efficient Resource Allocation, and V. Conclusion.