The number of enterprises engaged in production in Turkey is increasing day by day with the impact ofglobalization. This situation causes an increase in the number of suppliers that retailers can choose. However,some businesses avoid changing suppliers because they are known for the brand of the product they sell intheir region. If cooperation between the suppliers of the relevant brand is disrupted, the enterprise’s salesmay also decrease and the change of the supplier is not looked upon favorably. Since the business cannotchange its supplier, it requests that its supplier improve itself. In this study, which focuses on an enterpriseselling home textile products in the province of Burdur, the problems of determining the best among thesuppliers with which the enterprise cooperates and the extent to which other suppliers should improvethemselves are emphasized. After determining the best supplier using the Analytical Hierarchy Process andTOPSIS, the extent to which other suppliers should improve themselves is determined by heuristicoptimization. The literature and the opinions of eight suppliers are used to determine 11 criteria in total. Asa result of the study, while the criterion with the highest weight is determined to be “quality of the product,”the determination of the best supplier and the optimum status of other suppliers are also successfullydetermined.