This book offers a systematic literature review and a set of empirical studies on supply chain integration. Supply chain management is recognized as an essential means for firms to achieve competitive advantages, in which supply chain integration is regarded as the core for operational excellence: shorter lead time, lower inventory, faster delivery, and higher product and service quality. Using data from an international survey of manufacturing firms, an interrelated set of studies that investigate supply chain integration from different perspectives at multiple levels are conducted. Intra-organizational factors such as products, production systems, and socio-technical systems are examined to understand their effects on supply chain integration, indicating