325180

Other Basic Inorganic Chemical Manufacturing

325920

Explosives Manufacturing

332993

Ammunition (except Small Arms) Manufacturing

336415

Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing

541715

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
General 1000 Employees Small Business Size Standard: [Yes]
Special 1500 Employees Aircraft, Aircraft Engine and Engine Parts: [Yes]
Special 1250 Employees Other Aircraft Parts and Auxiliary Equipment: [Yes]
Special 1250 Employees Guided Missiles and Space Vehicles, Their Propulsion Units and Propulsion Parts: [Yes] ⁽⁴⁾