| Aegis Electronic Systems |
| Aegis Industrial Software |
| Aegis Micro |
| Aegis Retail |
| Aegis Technologies |
| Aeg-Treptow |
| Aei |
| Aei Athena Electronics |
| Aei Cables |
| Aei Electech |
| Aei Electric |
| Aei Electronic Parts |
| Aei Intelligent Technologies |
| Aei Manufacturing |
| Aei Music Network |
| Aei Security |
| Aejmc |
| Ael Apparatebau |
| Ael Apparatebau Engineering Leisnig |
| Ael Crystals |
| Ael Defense |
| Aelita Software |
| Aellora Digital |
| Aem |
| Aem Abrasive Narrow Top And Belt Sander |
| Aem Aladdin Engineering Manufacturing |
| Aem Design |
| Aem3 |
| Aemc |
| Aemc Instruments |
| Aemc Instruments Chauvin Arnoux |
| Aemco |
| Aeneon |
| Aeolus |
| Aep |
| Aep Applied Engineering Products |
| Aep Industries |
| Aep Technologies |
| Aer |
| Aera |
| Aeranamics Electronics |
| Aerardlinguistic |
| Aeras Networks |
| Aerc |
| Aerco |
| Aerco International |
| Aercon Wiring Systems |
| Aereco |
| Aerial |
| Aerial Acoustics |
| Aerial Techniques |
| Aerialite |
| Aerialtech |
| Aerie Engineering |
| Aeriform Technology |
| Aeriola Junior |
| Aeriola Senior |
| Aerion Technologies |
| Aerius |
| Aermacchi |
| Aero |
| Aero Antenna |
| Aero Comm |
| Aero Commander |
| Aero Construction |
| Aero Electric |
| Aero Filter Development |
| Aero Foundry |
| Aero Gear |
| Aero Hardware & Parts |
| Aero Industrial Tool |
| Aero M |
| Aero Manufacturing |
| Aero Med |
| Aero Metal |
| Aero Metal Products |
| Aero Nav Laboratories |
| Aero Power Technology |
| Aero Power Unitized Fueler |
| Aero Precision Instrument |
| Aero Products |
| Aero Products Research |
| Aero Research |
| Aero Rings & Seals |
| Aero Solar Powered |
| Aero Space Screw Machine Products |
| Aero Specialties |
| Aero Super Sport |
| Aero Tec Laboratories |
| Aero Tube Systems |
| Aero Turbo |
| Aero Vironment |
| Aeroback |
| Aerocar |
| Aerocine |
| Aeroclean |
| Aerocomm |
| Aerocomm Laird |
| Aerocool |
| Aeroderivative Gas Turbine Support |