SEMCO Technologies Société anonyme designs, manufactures, and markets components used in the production of semiconductor devices, serving customers in France, Asia, the Americas, and Europe. Its offerings include electrostatic chucks for clamping and processing various types of wafers, as well as gas-cooled components. The company serves OEMs, semiconductor fabs, foundries, and laboratories. Founded in 1986 and headquartered in Castries, France, it operates as a subsidiary of ECM Technologies SA.