Aerospace and Defense

Establishments primarily engaged in manufacturing or assembling complete aircraft. This industry also includes establishments owned by aircraft manufacturers that are primarily engaged in aircraft research and development, whether funded internally or through contracts or fees. Additionally, establishments engaged in repairing and rebuilding aircraft on a factory basis are included. Sample business functions include aircraft manufacturing, fixed-wing and rotary-wing airplanes, airships, autogiros, balloons, blimps, dirigibles, gliders, hang gliders, and helicopters.

Establishments primarily engaged in manufacturing aircraft engines and engine parts. This industry also includes establishments owned by aircraft engine manufacturers that are primarily engaged in research and development on aircraft engines and engine parts, whether funded internally or through contracts or fees. Additionally, establishments engaged in repairing and rebuilding aircraft engines on a factory basis are included. Sample business functions include air scoops for aircraft, internal combustion and jet aircraft engines and engine parts, aircraft engine airfoils, aircraft engine cooling systems, aircraft engine heaters, aircraft engine mount parts, aircraft exhaust systems, external power units for hand-inertia starters, jet-assisted takeoff devices (JATO), and aircraft lubricating systems.

Establishments primarily engaged in manufacturing aircraft parts and auxiliary equipment not elsewhere classified. This industry also includes establishments owned by manufacturers of aircraft parts and auxiliary equipment that are primarily engaged in research and development on aircraft parts, whether funded internally or through contracts or fees. Sample business functions include adapter assemblies for hydromatic propellers, aircraft ailerons, aircraft armament (excluding guns), aircraft arresting device systems, aircraft assemblies, subassemblies, and parts (excluding engines), aircraft body assemblies and parts, aircraft power transmission equipment, aircraft propeller parts, airframe assemblies (excluding guided missiles), and airplane brake expanders.