| Company | Location |
|---|---|
| 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 |
| Asian Technology Information Program | Tokyo, Chuo-ku, Japan |
| ASIP Inc. | Somerset, New Jersey, United States |
| ASM International | Materials Park, Ohio, United States |
| ASME International | New York, New York, United States |
| ASML Special Applications | Veldhoven, Netherlands |
| Aspen Technologies | Colorado Springs, Colorado, United States |
