| Alameda Capital LLC | Pleasanton, California, United States |
| Albany International | Albany, New York, United States |
| Albany NanoTech | Albany, New York, United States |
| Alberta Innovates-Technology Futures | Edmonton, Alberta, Canada |
| Albright Technologies Inc. | Sterling, Massachusetts, United States |
| Alcatel Technologies | Paris, France |
| Alcoa World Chemicals | Leetsdale, Pennsylvania, United States |
| Alcon Research Ltd. - ITC Division | Irvine, California, United States |
| ALD NanoSolutions Inc. | Westminster, Colorado, United States |
| Alexeter Technologies LLC | Wheeling, Illinois, United States |