Electronic Systems Design is comprised of a group of electronics professionals that specialize in the design and manufacture of cost effective and reliable custom electronic products. The company s areas of expertise include automation and process controls; motion and motor controls; analog and digital instrumentation; power supplies; and automatic test equipment. For more than 25 years, its products have been used in industrial, commercial and manufacturing control applications, as well as in aerospace and defense equipment. The company has developed a line of water process control boards for reverse osmosis water purification systems and water vending machines. Electronic Systems Design is located in San Fernando, Calif.