INSYS was a leading Britishdefence contractor- located in Ampthill, Bedfordshire - supplying integrated system solutions to the UK and allied armed forces directly or through global prime contractors. It was formed in October 2001 by a management buy-out of Hunting Engineering and was subsequently acquired by Lockheed Martin UK Holdings, Ltd., a subsidiary of Lockheed Martin Corporation in October 2005.
INSYS's products included lightweight anti-tank weapons such as the LAW 80 or the BL755cluster bombs. As part of Lockheed Martin UK they undertake the certification and supply of the WAH-64 Apache helicopter munitions. Support equipment includes the in-service and future Biological Detection Systems,field hospitals, power generation and supply.