Award winning predictive dialer and auto dialer software by OPC Marketing. OPC manufactures SPITFIRE® brand Predictive Dialers and AutoDialer solutions. Our Spitfire Predictive, Auto and Hybrid dialing software systems are a legendary platform. They regularly out produce every dialer in their class. We also offer our new Spitfire PBX, a flexable, easy to use phone system. We back up our dialing software with exceptional technical support service. Please select from one of the dialer software product categories below to find the right dialing solution for your business.