The PDI Group

Today, The PDI Group consists of four member companies - PDI Ground Support Systems (PDI), KWD Aircraft Support Equipment (KWD), Polytech Defense Spares, and Colinear Aerospace. Founded in 1962 as Prototype Development Incorporated, PDI has evolved into a leading designer and manufacturer of weapons handling systems and ground support equipment used primarily by the United States Air Force, Navy and Army Special Operations Command, in addition to 46 allied air forces worldwide. In May 2018, PDI was awarded the President's "E" Award for export excellence at a ceremony held in Washington, DC, USA. PDI's major product lines include Munitions Trailers, Aircraft Engine Trailers, Weapons Transport Containers and Counter Measure Modules, and Running Gear and Axle Systems. The Company is ISO 9001:2015 certified and is recognized for its dedication to quality. Founded in 1986, KWD (formerly KWD Manufacturing) is a leading designer and manufacturer of aircraft support equipment used by the United States Air Force and Navy and many other air forces and navies throughout the world. KWD's major product lines include Quick Engine Change (QEC) Dollies, Propeller (Prop) Dollies, and C-130 Aircraft Maintenance Platforms and Stands. The Company is ISO 9001:2015 certified and is recognized for its dedication to quality. Founded in 1970, Polytech Defense Spares (formerly Polytechnic Industries) has been a longtime supplier of critical fasteners and failure-critical gun parts to the DoD and was placed on their Qualified Suppliers List of Manufacturers (QSLM), a list of esteemed manufacturers that the DoD deems trustworthy to manufacture these parts. Founded in 1988, Colinear Aerospace (formerly Colinear Machine) is a manufacturer of flight critical components for fighter jets, bombers, helicopters (civil and military), and commercial aircraft. Colinear holds AS9100 and ISO 9001:2015 quality certifications.