| Name | Country | Market Cap (US$) |
|---|
| 3001, Inc. | United States | Private |
| 4 Flight Industries Inc | United States | Private |
| A B A Industries Inc | United States | Private |
| A G C Incorporated | United States | Private |
| A.C.N. 090 744 022 PTY LTD | Australia | Private |
| A.E. Petsche Company, Inc. | United States | Private |
| AAI Acquisition, Inc. | United States | Private |
| AAI Corporation | United States | Private |
| Abu Dhabi Aircraft Technologies PJSC | United Arab Emirates | Private |
| Accra Manufacturing Inc | United States | Private |
| Action Manufacturing Company Inc | United States | Private |
| Adacel Inc | Canada | Private |
| Adam Aircraft Industries, Inc. | United States | Private |
| Adamovske strojirny a.s. | Czech Republic | Private |
| Adcole Corporation | United States | Private |
| ADI MUNITIONS PTY LIMITED | Australia | Private |
| Advanced Interactive Systems | United States | Private |
| ADVANCED MATERIAL ENGINEERING PTE. LTD. | Singapore | Private |
| AEGIS Defence Services Ltd | United Kingdom | Private |
| Aerea Spa | Italy | Private |
| Aero Kool Corporation | United States | Private |
| Aero Simulation, Inc. | United States | Private |
| Aero Tec Laboratories, Inc. | United States | Private |
| Aero Technologies, LLC | United States | Private |
| Aero Union Corporation | United States | Private |
| Aero Vodochody A.S. | Czech Republic | Private |
| Aerogroup, Inc. | United States | Private |
| Aerojet-General Corporation | United States | Private |
| Aeronca Inc. | United States | Private |
| Aeroprecision Corporation | United States | Private |
| Aerospace Avionics Inc. | United States | Private |
| Aerospace Dynamics International, Inc | United States | Private |
| Aerospace Manufacturing Technologies Inc | United States | Private |
| Aerospatiale Matra Group | France | Private |
| Aerostructures Hamble Ltd | United Kingdom | Private |
| AeroThrust Corporation | United States | Private |
| AEROVISION AVIONICS, INC. | Taiwan | Private |
| Agusta Aerospace Corporation | United States | Private |
| Agusta Aerospace Services - A.A.S. SA | Belgium | Private |
| Air Cargo Carriers, Inc. | United States | Private |
| AIR COMMAND SYSTEMS INT | France | Private |
| Air Cruisers Company, Inc. | United States | Private |
| Air Industries Machining Corp | United States | Private |
| Air Precision SA | France | Private |
| Airbus Deutschland GmbH | Germany | Private |
| Airbus North America Engineering, Inc. | United States | Private |
| Airbus North America Holdings, Inc. | United States | Private |
| Aircal Inc | United States | Private |
| Aircraft Parts Corporation | United States | Private |
| Airlift International | United States | Private |
| Airservices Australia | Australia | Private |
| Airstar International, Inc | United States | Private |
| Airtech International Inc | United States | Private |
| Akkumulyatornaya Kompaniya Rigel OAO | Russia | Private |
| Albrecht Kind GmbH | Germany | Private |
| Alcatel Espace S.A. | France | Private |
| Alcoa Industrial Components | United States | Private |
| Alenia Aeronautica Spa | Italy | Private |
| Alenia Inc | United States | Private |
| Alenia Marconi Systems (A S I) Inc | United States | Private |
| Alkan | France | Private |
| All Manufacturers, Inc. | United States | Private |
| Allen-Vanguard Corp | Canada | Private |
| Allfab Aerospace Corporation | United States | Private |
| Alliant Ammunition And Powder Llc | United States | Private |
| Alliant Integrated Defense Company Llc | United States | Private |
| Alliant Lake City Small Caliber Ammunition Company Llc | United States | Private |
| Allied Aerosystems Ltd. | United Kingdom | Private |
| ALLIED RESEARCH CORPORATION LTD | United Kingdom | Private |
| Alloy Surfaces Co | United States | Private |
| Alvis Vickers Ltd | United Kingdom | Private |
| Amadeo Rossi S.A. - Metalurgica e Municoes | Brazil | Private |
| Ambac International | United States | Private |
| Amecom | United States | Private |
| American Blimp Corporation | United States | Private |
| American Body Armor & Equipment, Inc | United States | Private |
| American Derringer Corporation | United States | Private |
| American Eurocopter LLC | United States | Private |
| American Fuel Cell And Coated Fabrics Company | United States | Private |
| American Ordnance Llc | United States | Private |
| American Recreation Products Inc. | United States | Private |
| American Walnut Company, Inc. | United States | Private |
| AMETEK (Process & Analytical Instr.) | United States | Private |
| Ametek, Inc. | United States | Private |
| Amherst Systems, Inc | United States | Private |
| Ammunition Accessories Inc | United States | Private |
| Amron International, Inc | United States | Private |
| Amtec Corporation | United States | Private |
| Amtec Corporation | United States | Private |
| Anthena | France | Private |
| Anthony & Sylvan Pools Corporation | United States | Private |
| AOMZ OAO | Russia | Private |
| API Electronics Group Inc | Canada | Private |
| Applied Aerospace Structures Corp | United States | Private |
| Applied Concepts, Inc. | United States | Private |
| Apprise Technologies, Inc. | United States | Private |
| Aps Freeflight Systems, Ltd | United States | Private |
| APZ Rotor OAO | Russia | Private |
| Arcturus Manufacturing Corporation | United States | Private |
| ARDIS Corporation | United States | Private |
|
