| Akkord |
| DeTeWe |
| EAK |
| Emgefunk |
| Eswe |
| Graetz |
| Hagenuk |
| Imperial |
| Jotha |
| Lorenz |
| Mix&Genest |
| N&K |
| Nora |
| Nordmark |
| Opta |
| Radio-Amato |
| Reico |
| Schaub |
| Tefi |
| Gemeinschafts Empfänger |
| DDR - Geräte
|