| ID | Name | # of EDID |
| AAA | Avolites Ltd | 11 |
| ACB | Aculab Ltd | 1 |
| ACI | Ancor Communications Inc | 53 |
| ACL | Apricot Computers | 1 |
| ACR | Acer Technologies | 49 |
| ACT | Applied Creative Technology | 3 |
| ADA | Addi-Data GmbH | 8 |
| AGO | AlgolTek, Inc. | 2 |
| AMI | American Megatrends Inc | 1 |
| AMT | AMT International Industry | 1 |
| ANW | Analog Way SAS | 12 |
| ANX | Acer Netxus Inc | 2 |
| API | A Plus Info Corporation | 1 |
| APP | Apple Computer Inc | 39 |
| ARD | AREC Inc. | 1 |
| ART | Corion Industrial Corporation | 1 |
| ASD | USC Information Sciences Institute | 1 |
| ASK | Ask A/S | 2 |
| AST | AST Research Inc | 1 |
| ATM | ATM Ltd | 1 |