This document summarizes a study that analyzed the role of supply chain management (SCM) practices as a mediator between information technology utilization and organizational performance in large manufacturing companies in East Java, Indonesia. The study used a survey of 140 companies and structural equation modeling analysis. The results showed that SCM practices fully mediated the relationship between information technology and improved organizational performance. Specifically, (1) information technology can help companies implement SCM practices to boost performance, and (2) developing close customer relationships and supplier partnerships through long-term contracts is key to information technology's success in improving performance.