Simplex designs and manufactures Load Banks and Fuel Supply systems for the standby power generation industry. Simplex is certified to ISO 9001:2008. Used world-wide for mission critical environments in manufacturing, technology, transportation, hospitals, schools, public utilities and the U.S. military, Simplex products provide solutions meeting exact requirements, from the simplest testing and proving equipment for backup generators to custom-designed and engineered mission-critical fuel systems. At Simplex, we are experts at building products that meet our customers' exact requirements.