Abstract
Small and medium-sized enterprises (SMEs) have a significant effect on national economic growth. Since the 2007 economic crisis, approximately 90% of SMEs have addressed many problems all over the world; therefore, Knowledge Management System (KMS) was utilized to help reduce the burden of SMEs. Here, we have implemented the KMS on three SMEs in Thailand, which has integrated Business Process Reengineering (BPR), Enterprise Resource Planning (ERP), New Product Development (NPD), and Joint Application Development (JAD) concepts. The significant success in personnel alignment, processes, IT, and product development was achieved.