| Braun AG |
| Excelan Computer Networks |
| Kybe Corporation |
| NU Data Corp. |
| Omron Kabushiki Gaisha |
| "Felix" |
| ....o Corporation |
| 1988 vom BW Marinedepot Wilhelmshaven für 650 DM von Herrn Schreier übernommen |
| 3M Company |
| ????? |
| A. Ott |
| A.B. Original-Odhner |
| A.W. Faber Bleistift Fabrik |
| A.W. Faber-Castell |
| AB Addo |
| AB Atvidabergs Industrier |
| AB Original-Odhner |
| ADS Zentralgesellschaft mbH |
| AEG Telefunken |
| AEG-Telefunken AG |
| AGVA-Gevaert |
| ANDERSON JACOBSON |
| ANELEX CORP. |
| AOC International |
| AR / Telenex Corporation |
| ARCHIVE Corporation |
| ARO Bryan |
| ATM Computer GmbH |
| AWM |
| Acer Inc. |
| Acorn Computers Limited |
| Addiator GmbH |
| Addiator GmbH |
| Addiator GmbH |
| Addiator GmbH |
| Addiator GmbH |
| Addiator GmbH |
| Addimult Rechenmaschinenfabrik H.-W. Kübler |
| Addimult Rechenmaschinenfabrik H.-W. Kübler |
| Addmaster Corp. |
| Adix Company Pallweber & Bordt |
| Adix Company, Pallweber & Bordt |
| Advanced Micro Devices, Inc |
| Akro Datensysteme GmbH |
| Aktiebolaget Original-Odhner |
| Albert Nestler Zeichentechnik |
| Albert Nestler Zeichentechnik |
| Albert Nestler Zeichentechnik |
| Algamatic Maschinen GmbH |
| Allied Telesis K.K. |