Established for some 45 years, Ultra Electronics, CEMS is an electronics manufacturing services provider focussed on business sectors requiring high-reliability products, including aerospace, defence, oil and gas, mass transportation, nuclear energy, security and scientific instrumentation. Ultra Electronics Holdings PLC is an internationally successful defence, security, transport and energy company with a long, consistent track record of development and growth. Ultra Electronics businesses operate in the UK, North America, the Middle East and Australia, with a wide range of specialist capabilities. As one of those businesses CEMS offers world class manufacturing services in the following technologies.