| Navn | Postnummer | By |
|---|---|---|
| R&D Test Systems | 8382 | Hinnerup |
| R-24 | 5220 | Odense SØ |
| Randers Isoleringsforretning A/S | 8900 | Randers C |
| REBOOT | 5220 | Odense SØ |
| Recab Danmark | 2765 | Smørum |
| Reecon A/S | 7100 | Vejle |
| REHAU A/S | 4000 | Roskilde |
| Reo-Pack A/S | 9550 | Mariager |
| RMIG A/S | 2750 | Ballerup |
| Röchling Industrial Allingaabro/meta plast | 8961 | Allingåbro |
| Roxtec Denmark ApS | 3400 | Hillerød |
| RUSTEK A/S | 7800 | Skive |