Knowledge management (KM) has attracted significant attention from researchers and practitioners as a facilitator of firm performance. Even though companies have implemented KM, they offers inconsistent support that KM enhances firm performance. Thus, we examine that KM process is a critical variable through which infrastructure capability and business strategy effect firm performance. Data from 135 firms provide empirical support for this issue. We found the roles of infrastructure capability and business strategy have a positive association with the KM process. We confirmed the relationship between KM and firm performance.