| Company | Location |
|---|---|
| Adaptive Materials Inc. | Ann Arbor, Michigan, United States |
| ADCO Circuits | Rochester Hills, Michigan, United States |
| Adelan Co. | Edgbaston, United Kingdom |
| Adept Technology | Livermore, California, United States |
| Admatechs Co. Ltd. | Miyoshi-shi, Aichi, Japan |
| ADMC Inc. | Norwood, Pennsylvania, United States |
| ADVA Optical Networking | Martinsried/Munich, Germany |
| Advance Reproductions Corp. | North Andover, Massachusetts, United States |
| Advanced Bionics Corp. | Sylmar, California, United States |
| Advanced BioSensors Inc. | Mentor, Ohio, United States |
