| Company | Location |
|---|---|
| Aerogen | Mountain View, California, United States |
| Aerotech Inc. | Pittsburgh, Pennsylvania, United States |
| Affymetrix Inc. | Santa Clara, California, United States |
| African Pegmatite | Meyerton, Gauteng, South Africa |
| AGEF EV - Institut an der Heinrich-Heine-Universitaet | Duesseldorf, Germany |
| Agere Systems Inc. | Allentown, Pennsylvania, United States |
| Agfa-Gevaert NV | Mortsel, Belgium |
| Agile Materials and Technologies Inc. | Goleta, California, United States |
| Agile Project Solutions Inc. | Vancouver, British Columbia, Canada |
| Agilent Technologies | Santa Clara, California, United States |
