| Company | Location |
|---|---|
| Alta Partners | San Francisco, California, United States |
| ALTAIR Center LLC | Shrewsbury, Massachusetts, United States |
| Altair Nanomaterials Inc. | Reno, Nevada, United States |
| Altarum | Ann Arbor, Michigan, United States |
| Altea Therapeutics | Tucker, Georgia, United States |
| Alteon Inc. | Ramsey, New Jersey, United States |
| AltiGen Communications | Fremont, California, United States |
| Alumina Micro | Bellingham, Washington, United States |
| ALZA Corp. | Mountain View, California, United States |
| Ambion, Inc. | Austin, Texas, United States |
