This paper presents the outcomes of a study of supply chain performance focusing on distribution channel and warehouse system. The objective of this study is to analyze different patterns of distribution channel and warehouse system from manufacturing firms in Thailand. E-warehouse system is also investigated to see how it affects supply chain performance.Different patterns of distribution channel and warehouse system from various manufacturing firms are worked out through two main stages. At the first stage, in-depth interviews with managers from manufacturing firms are conducted with questionnaire which based on Supply Chain Operations Reference (SCOR) model. The second stage focuses on field observation which also provides the details of business processes of various manufacturing firms. The measurement of the performance of supply chain focusing on distribution channel and warehouse system is based on statistical analysis. The results show the best-in-class manufacturing firm with its existing patterns of distribution channel and warehouse system that work well in real world.