| R&D A/S | 8382 | Hinnerup |
| Rala Stål ApS | 9550 | Mariager |
| Randers Maskinfabrik A/S | 8930 | Randers NØ |
| Randers Rørindustri Aps | 8960 | Randers SØ |
| Randers Tandhjulsfabrik A/S | 8960 | Randers SØ |
| Randers Værktøjssliberi ApS | 8940 | Randers SV |
| RD-Support ApS | 2760 | Måløv |
| REA automatdrejning ApS | 5450 | Otterup |
| Reecon A/S | 7100 | Vejle |
| Regal A/S | 4000 | Roskilde |
| Reguvent ApS | 8660 | Skanderborg |
| RENO A/S | 7323 | Thyregod Give |
| Reo-Pack A/S | 9550 | Mariager |
| RepComp ApS | 2800 | Kongens Lyngby |
| Reservedelsfabrikken A/S | 9320 | Hjallerup |
| Resinex Danmark A/S | 2900 | Hellerup |
| RG Group ApS | 7620 | Lemvig |
| RG Rom Gummi A/S | 7620 | Lemvig |
| Riantics A/S | 9510 | Arden |
| RIAS A/S | 4000 | Roskilde |
| Risager A/S | 8464 | Galten |
| RIVAL A/S | 8660 | Skanderborg |
| RK Smede og Maskinfabrik ApS | 8700 | Horsens |
| RM Fintech ApS | 4840 | Nørre Alslev |
| RMIG A/S | 2750 | Ballerup |
| ROB-EX A/S (Novotek Planning Systems A/S) | 5230 | Odense M |
| Robert Petersen Værktøjsmaskiner A/S | 2650 | Hvidovre |
| RobMa | 8300 | Odder |
| Robma ApS | 8300 | Odder |
| Roboman-pta ApS | 5700 | Svendborg |
| Robotcenter Danmark A/S (Yaskawa MOTOMAN) | 8700 | Horsens |
| ROBOTECH A/S | 3460 | Birkerød |
| Robotool A/S | 6600 | Vejen |
| Röchling Meta-Plast A/S | 8961 | Allingåbro |
| Rocla Danmark A/S | 6000 | Kolding |
| Rodeco | 8362 | Hørning |
| Rolf Schmidt Industriplast A/S | 6000 | Kolding |
| Rolltechnic Transportkomponenter A/S | 3490 | Kvistgård |
| Rosenberg Ventilation ApS | 5642 | Millinge |
| Roskilde Galvanisering A/S | 4000 | Roskilde |
| Rota-Dan A/S | 9220 | Aalborg Ø |
| Rotec Production ApS | 3520 | Farum |
| RS Components A/S | 2400 | København NV |
| RUSTEK A/S | 7800 | Skive |
| Rutek A/S | 8940 | Randers SV |
| Rybners Kursuscenter | 6700 | Esbjerg |
| Rynkeby Maskinfabrik a/s | 5350 | Rynkeby |
| Rønde Industriteknik A/S | 8560 | Kolind |
