Industrial sector as a main drive of the Indonesian economy has a challenge to build a synergy between industrial business actors. Tnis study aims to determine tne pattern of relationsnip in tne weaving industry; to identify the cluster strategies in the weaving industry; to analyze the supporting and obstructing factors of the cluster strategy. This study uses a qualitative approach, i.e. case study type. Data in this study were collected from industries of Troso weaving. The results show that there are three patterns of relationship: cooperative, supportive and non-supportive between small, medium and large industries. Cluster strategies in the development of weaving industry are applied through inter-industry cooperation, availability of raw material input and supporting materials which indicate that the cluster has shown efficiency and synergy in production process as the majority of labor input comes from within the cluster. Local government supports, local community wisdom, locations, availability of skilled workforce and technologies become the factors that support the successful cluster strategies. While the capital, management, competition, marketing, and industrial relations are still great constraints.