This study proposes an evaluation of financial performance and efficiency of cement companies operand in the stone and soil index placed in the production industry of the Istanbul Stock Exchange with a phased-out approach. While the financial performance is determined with the integrated model consisting of the Entropy and the OCRA (Operational Competitiveness RAting) methods in the first phase of the proposed model, in the second phase of the model, efficiencies of the companies have been aimed to compare with the Data Envelopment Analysis (DEA). For that purpose, data obtained from balance sheets and income statements, for 1999 and 2018, of companies, which placed in the index were used. according to the results of the research; it is seen that Mardin Cement Industry and Trade Co. is the company that has the highest performance. When the periodical effectiveness of these companies are evaluated, it is observed that their effectivity level of those sharply decreased in the year of 2009, also, in the year of 2004 the effectiveness of these companies have reached to the value of 100%. In addition to that, it is determined that the effectiveness of the companies such as Akçansa Cement, Mardin Cement and Nuh Cement are continuous.