| Company | Location |
|---|---|
| Arnold GmbH & Co. KG | Ravensburg, Germany |
| Arnopole & Assoc. | Volcano, Hawaii, United States |
| Arryx Inc. | Chicago, Illinois, United States |
| Asahi Glass Co. Ltd. | Tokyo, Japan |
| Ascend Instruments LLC | Hillsboro, Oregon, United States |
| ASCOMP GmbH | Zurich, ZH, Switzerland |
| Asemblon, Inc. | Redmond, Washington, United States |
| Ashruf Technology Consulting | Den Hoorn, Netherlands |
| Asia Pacific Microsystems Inc. | Hsinchu, Taiwan |
| Asia Pacific Nanotechnology Forum | Sydney, NSW, Australia |
