Customer Relationship Management (CRM) is a model of managing relationship and interaction between company and customer. This includes using technology for organizing, automating, and synchronizing all customer-related information like sales, marketing, services, support and more. Big Data represents more than just a collection of data sets that form a large quantity of data, which is difficult to process using traditional data processing applications. Big Data also represents a big business opportunity it is poised to do more than just improve CRM. Big Data and related analytics systems and processes are poised to revolutionize customer-provider relationships, interactions, and even business models. This report evaluates the utilization of Big Data and analytics to optimize and transform customer relationship management (CRM) systems, processes, and procedures. The report includes case-studies for CRM systems that are employing Big Data. The provides analysis of companies providing Big Data solutions for CRM systems. The report also provides a view into the future of Big Data in CRM including challenges, opportunities, and outlook.