The purphose this research is to know the influence of business environment in determining competitive priority and to improve company performance by empirical test in high medium manufacturing company in Tasikmalaya City. This is explanatory research. The method of the research is survey. The research sample is 51 firms determined by SEM-PLS, as the method of analysing data, which is operated by SmartPLS 2.0. The conclusions of the research are:(1) Business environment sets a significant role in determining competitive priority, so to decide the competitive company priority needs the right identified scanning environment.(2) The success of the company in uncertainty business condition will be reached if the company is able to focus itself in cost strategy, and flexibility strategy.