Ranking suppliers in sustainable supply chain, using data envelopment analysis (Case study: Region Six Water & Wastewater Company of Tehran)

The supply chain management debate is one of the most important discussions in the organizations. But there are many social, economic, and environmental problems encouraging organizations to use sustainable supply chain management. Because the sustainable supply chain is to improve the long-term supply chain performance to address the social, economic, and environmental problems of the traditional supply chain. Given that supply chains have grown rapidly in recent years, only paying attention to economic performance for cost optimization cannot lead to sustainable development in the supply chain, therefore, the impact of various activities involved in the supply chain on social life and Environmental issues that lead to sustainable development should also be considered. In this research, the goal of evaluation and ranking of sustainable supply chain suppliers is using the data envelopment analysis method. First of all, using previous studies in this area, we first identify the important variables of choosing sustainable supply chain suppliers according to the economic, environmental and social measures for the District 6 water and sewage company. Subsequently, according to an interview with experts in this area, we reduced the indexes. Finally, DEA models were ranked by the suppliers of sustainable supply chain water and sewage companies in District 6 of Tehran as a statistical population.