This research examines mediation supplier integration on relationship between market orientation and company performance, the effect of market orientation on performance, the effect of market orientation on supply chain integration, and the effect of supply chain integration on company performance. The variables used in this study are market orientation, as an exogenous variable, company performance as an endogenous variable, and supply chain integration as an intervening variable. This research uses quantitative methods with descriptive research and causal research. Data from the 3 variables were analyzed using Structural Equation Model (SEM) in SmartPLS Software version 3.0.m3. The number of samples used in this study were 70 respondents. The results show that market orientation had a significant and significant effect on company performance. The results of this study provide very important implications for the role of management to maintain supply chain integration in the relationship between market orientation and company performance.