| Company | Location |
|---|---|
| Agilix Corp. | New Haven, Connecticut, United States |
| Agrivida, Inc. | Medford, Massachusetts, United States |
| Aguila Technologies | San Marcos, California, United States |
| Ahwahnee Inc. | San Jose, California, United States |
| Air Dynamics | Overland Park, Kansas, United States |
| Air Products and Chemicals Inc. | Allentown, Pennsylvania, United States |
| AirGenerate | Houston, Texas, United States |
| AIRI/NANOTEC IT | Roma, Italy |
| AIT - Austrian Institute of Technology GmbH | Vienna, Austria |
| AIXTRON AG | Herzogenrath , Germany |
