| Control Data Corporation |
| Control Data Corporation |
| Control Data Corporation |
| Convex Computer Corporation |
| Convex Computer Corporation |
| Convex Computer Corporation |
| Cray Inc. |
| Cray Research Corporation |
| Creed & Co Ltd |
| Cybermation Inc. |
| D. Winter |
| DEC Digital Equipment Corp. |
| DEC Digital Equipment Corp. |
| DEC Digital Equipment Corp. |
| DFG-Forschungsprojekt (Hr. Winkelnkemper) |
| DIGITAL EQUIPMENT CORPORATION |
| Dallas Semiconductor Corp. |
| Data I/O Inc. |
| Datamedia Corporation |
| Dataram corporation |
| David Computer GmbH |
| DeTeWe, Deutsche Telefonwerke und Kabelindustrie AG |
| Dell Technologies Inc. |
| Dennert & Pape |
| Dennert & Pape |
| Dennert & Pape Aristo-Werke KG |
| Dennert & Pape Aristo-Werke KG |
| Dennert & Pape Aristo-Werke KG |
| Dennert & Pape Aristo-Werke KG |
| Dennert & Pape Aristo-Werke KG |
| Deutsche Telekom AG |
| Diablo Systems GmbH |
| Diehl GmbH |
| Diehl GmbH |
| Diehl GmbH |
| Diehl GmbH |
| Diehl GmbH |
| Diehl GmbH |
| Diehl GmbH |
| Diehl GmbH |
| Diehl GmbH |
| Diehl GmbH |
| Diehl GmbH |
| Diehl GmbH |
| Dieter Müller |
| Dietmar Winter & Dr. Alfons Baier |
| Digi-Log Systems Corporation |
| Digisolve |
| Digital Devices Incorporation |
| Digital Equipment Corp. |