CDI Meters Inc. is an electrical/electronic manufacturing company based in Woburn, Massachusetts. Founded by Roger Dennison, the company specializes in flowmeters for tracking air usage in compressed-air systems. Their product line includes the CDI 5200 series of flowmeters designed for various industries such as textile, automotive, food & beverage, semiconductors, pharmaceutical, plastics molding, bioremediation, and foundries. CDI Meters has expanded its offerings to cover all pipe sizes commonly used for compressed air, with recent additions including meters for installation under pressure and meters with built-in memory for data logging. The company focuses on energy conservation and aims to minimize energy use in its operations while providing products that contribute to saving energy worldwide.