Senior Plc designs, manufactures and markets technology components and systems for the aerospace, defense, land vehicle, and energy markets. The company operates its business through two divisions: Aerospace and Flexonics. The Aerospace Division provides engineering solutions for the rigorous challenges of bleed air duct systems, precision sheet metal fabrications, bellows, metal hose assemblies, and other pressure carrying components that are flying in virtually all military and commercial aircraft, numerous piston and jet engines, and are specified for missile and NASA programmes. The Flexonics division manufactures automotive components and focuses on diesel engines. Senior was founded on December 18, 1933 and is headquartered in Rickmansworth, the United Kingdom.