Manufactures “engine sensor suites, aircraft data management systems, cooling and ventilating systems, environmental control systems, and a variety of sub-assemblies to military and aerospace customers” (Ametek website). These systems are used in unmanned aerial vehicles, helicopters, ocean vessels and military tracked and wheeled vehicles. For example, cooling systems produced by the Surrey-based Ametek Airtechnology Group have been used to equip Merkava tanks deployed in Israel.