INSYS

{{Short description|British defense contractor}}

{{For|the pharmaceutical company|Insys Therapeutics}}

{{Use dmy dates|date=April 2022}}

{{more citations needed|date=September 2014}}

INSYS 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.{{cite web|title=Lockheed Martin UK INSYS Celebrates 50 Years Supporting The United Kingdom's Armed Forces|url=http://www.lockheedmartin.co.uk/uk/news/press-releases/2007-press-releases/insys-50years.html|publisher=Lockheed Martin UK|accessdate=8 October 2012|date=5 November 2007|archive-url=https://web.archive.org/web/20121211024348/http://www.lockheedmartin.co.uk/uk/news/press-releases/2007-press-releases/insys-50years.html|archive-date=11 December 2012|url-status=dead}}

INSYS's products included lightweight anti-tank weapons such as the LAW 80 or the BL755 cluster bombs. As part of Lockheed Martin UK it undertakes the certification and supply of the WAH-64 Apache helicopter munitions.{{cite web|title=LONGBOW FCR and LONGBOW HELLFIRE Missile|url=http://www.lockheedmartin.co.uk/uk/what-we-do/products/LONGBOWFCRandLONGBOWHELLFIREMissile.html|publisher=Lockheed Martin UK|accessdate=8 October 2012|archive-url=https://web.archive.org/web/20121029031118/http://www.lockheedmartin.co.uk/uk/what-we-do/products/LONGBOWFCRandLONGBOWHELLFIREMissile.html|archive-date=29 October 2012|url-status=dead}} Support equipment includes the in-service and future Biological Detection Systems,{{cite web|title=Integrated Biological Detection System|url=http://www.lockheedmartin.co.uk/uk/what-we-do/products/IntegratedBiologicalDetectionSystem.html|publisher=Lockheed Martin UK|accessdate=8 October 2012|archive-url=https://web.archive.org/web/20121121054032/http://www.lockheedmartin.co.uk/uk/what-we-do/products/IntegratedBiologicalDetectionSystem.html|archive-date=21 November 2012|url-status=dead}} field hospitals, power generation and supply.