General Info

Teledyne Energy Systems, also known as TESI, is one of the world s leading providers of on-site gas and power generation systems and fuel cell test equipment. It offers hydrogen and oxygen gas generation systems. The company has a more than 90,000-square-foot facility in Maryland that specializes in the manufacturing and production of products. Teledyne Energy Systems provides engineering, design and sales support services. It has a staff of over 150 individuals. The company operates in nearly 30 countries. Teledyne Energy Systems offers products for semiconductor, argon purification, fuel cell testing, power generation cooling and electronic fabrication applications. It is a subsidiary of Teledyne Technologies Incorporated.