| ID | Name | Type |
|---|---|---|
| #11961 | Radastan | - |
| #19334 | Radek Slováček | + |
| #11962 | Radek Solař | + |
| #11963 | Radek Zyka | + |
| #21844 | Radek Červinka | + |
| #17648 | Radford Hi-Fi | A |
| #11964 | Radical Alternative Software | Z |
| #20379 | Radical Computers Company | P |
| #22802 | Radical Reflux | P |
| #20834 | Radim Němec | + |
| #17649 | Radio 88 | S |
| #11965 | Radio Amaterski Klub YU2RVI | Z |
| #11966 | Radio Amateur | Z |
| #11967 | Radio Student | Z |
| #11968 | Radio Ventilator 202 | ? |
| #11969 | Radio et Television Linksfield | Z |
| #18588 | Radiohead | P |
| #18744 | Radiotehnika Mikrogame | P |
| #11971 | Radivoje Grbovic | + |
| #11972 | Radofin Electronics | Z |