| Company | Location |
|---|---|
| Alfa Chemistry | Ronkonkoma, New York, United States |
| Algor Inc. | Pittsburgh, Pennsylvania, United States |
| Alien Technology | Morgan Hill, California, United States |
| ALIO Industries | Arvada, Colorado, United States |
| All Sensors Corp. | San Jose, California, United States |
| Allegiance NanoSolutions | Baltimore, Maryland, United States |
| Allegro Microsystems Inc. | Worcester, Massachusetts, United States |
| Allegro Technologies Ltd. | Dublin, Iran, Islamic Republic of |
| Allegro Ventures | Cambridge, Massachusetts, United States |
| Alliance Fiber Optic Products Inc. | Sunnyvale, California, United States |
