Nowadays, with more competition in industrial societies and service sectors, Customer Relationship Management is becoming more important. On the other hand, with increasing developments in the country, in order to protect financial losses, more attention is drawn to insurance sector and made it grown. In competitive areas, identifying and retaining profitable and valuable customers is essential for companies. So the use of CRM, which is a comprehensive strategy, is inevitable. Due to the large number of customers and diversity scope in insurance companies, using traditional CRM methods is almost impossible. With recent advances in information and IT, successful CRM strategies are based on tools, IT and customers data. As a result, collecting and managing customer’s data and using data mining techniques for data analysis can be an effective tool for insurance companies.