Mohammed, Ali WajdiAlghamdi, Abdulrahman2025-09-072025https://hdl.handle.net/20.500.14154/76331This thesis analyzes the impact of supply chain integration (internal, external, and strategic) on the performance of industrial facilities in Al-Khumrah, Saudi Arabia. Based on a survey of 195 managers, the study found a strong positive correlation (r = 0.655) between integration and performance. It highlights the role of internal collaboration and recommends fostering long-term partnerships and considering market orientation as a mediating factor.This study examines the impact of supply chain integration—internal, external, and strategic—on the operational performance of industrial facilities in Al-Khumrah, Saudi Arabia. Using a descriptive-analytical approach and data from 195 respondents via electronic surveys, the results show a strong positive correlation (r = 0.655) between supply chain integration and performance. Internal integration had the most significant effect, highlighting the importance of coordination across departments. The study recommends fostering long-term partnerships, enhancing internal collaboration, and conducting further research with market orientation as a mediating variable.91ar-SASupply Chain IntegrationIndustrial FacilitiesAl-Khumra Logistics DistrictSaudi ArabiaOperations ManagementPerformance.Thesis