A strategic model on quality management system was developed and applied for the public service sector. The public service sector includes a wide range of organizations such as local authorities responsible for education, social services and housing, government departments, military forces, and public enterprises like post office and Korean Railroad. Quality management requires strategic integration of management system for achieving customer satisfaction. Questionnaire was developed, and data was collected and analyzed for this study. Conclusively, leadership and organization culture are the important drivers among the quality management activities. Human resource development and process management are significantly related to employee satisfaction, which also significantly influences on customer satisfaction in the public sector.