Pantex was established in 1955 as an engineering and manufacturing corporation of valve automation systems and controls in Houston, Texas, USA. Since then, Pantex has earned its worldwide reputation as a reliable valve automation design & manufacturing company from concept to completion by applying state-of-art technology. The fact that a substantial number of valve automation and control system equipment designed and supplied by Pantex can be found still in excellent operation even after decades of rigorous use is a proven tribute to superior quality and sound engineering practices employed by Pantex. Since 1955, Pantex has supplied equipment to many major oil & gas installations, as well as petrochemical and process industries worldwide. In addition to a multitude of applications in North America, Pantex has supplied equipment to several countries including :

Australia, Brazil, Denmark, Egypt, Ecuador, Holland, India, Italy, Japan, Malaysia, Middle East, North Sea, Norway, Pakistan, Singapore, South America, Spain, Taiwan, Turkey and United Kingdom. In 2005 Pantex became Pantex Ennerflo Systems to reflect its expansion into additional industry segments with sophisticated new products including flight simulator systems, instrument control panel integration and gas turbine fluid systems. Pantex Ennerflo Systems is ISO 9001:2000 certified for instrumentation products.