Control Pak International made one of the first direct digital controllers in the spring of 1981. The company has evolved and supported every product they have made since that time. Their object-oriented programming method enables on-line editing of complex control sequences and a modular approach to decision and data management. The company manufactures five different size controllers and seven software products for real-time monitoring and controlling functions. CPI has performed just about every type of control application. Known for longevity and accuracy, their products have typically been in on-line service for over 15 years continuously.