Insurance companies are important economic institutions in each country and support other economic institutions and good performance of them has an effective role in economic boom. Insurance companies to achieve strong and effective performance must be aware of the environment, the competitor and their performance and carry out necessary actions with regard to this information. In this study, the performance of insurance companies in Iran during 2007-2009 has been evaluated. The weight of each index has been determined using Shannon entropy and then insurance companies have been ranked using four methods of multi attribute decision making including SAW, TOPSIS, VIKOR and LA. The results of the different methods have been combined using Copeland method. The results showed that Iran insurance company has had the best performance during these years.