| Aimstar Information Solutions, Inc. | Maryland |
| Aimxcel, Inc. | Tennessee |
| Aina PTT | |
| AiNET, LLC | Maryland |
| Ainnocence | |
| Ainnocence, Inc. | California |
| Aino | |
| Ainos, Inc. | |
| AinoSoft | California |
| Ainsley & Co. | |
| Ainsley Shea | |
| Ainstein | Kansas |
| AIO | North Carolina |
| AIO Systems Ltd | California |
| AIOSEO | |
| AIpediaHub | |
| AIPEX Technologies, Inc. | Washington |
| Aiphone Corporation | Washington |
| AiPrise | |
| AIQ Solutions | |
| Air Advantage, LLC | Michigan |
| Air Comm Systems, Inc. | California |
| Air Compliance Services, Inc. | Michigan |
| Air Force Institute of Technology | Ohio |
| Air Force Research Laboratory | |
| Air Power Software | Nevada |
| Air Premia, Inc. | |
| Air Products and Chemicals, Inc. | |
| Air Protein, Inc. | |
| Air Space Intelligence, Inc. | Massachusetts |
| Air Transport Components | |
| Air Wave Radio, Inc. | Texas |
| Air Wing Web Works | |
| Air, Inc. | |
| Air802, LLC | Illinois |
| Aira Tech Corporation | |
| Aira Technologies | |
| aiRadar, Inc. | |
| Airam Capital, Inc. | Nevada |
| Airan | |
| AirAvant Medical | Florida |
| Airbase, Inc. | California |
| Airbevel, LLC | |
| AirBlaster Networks | Colorado |
| Airbnb, Inc. | California |
| AirBorn, Inc. | Texas |
| Airborne Systems | |
| Airbrake | Texas |
| Airbus Ventures | California |
| Airbyte, Inc. | California |