| P K Jeppesen & Søn A/S | 4700 | Næstved |
| Pajo-Bolte A/S | 9500 | Hobro |
| PALOMAT® | 7900 | Nykøbing Mors |
| Pepperl+Fuchs A/S | 2605 | Brøndby |
| PG Flowteknik Scandinavia ApS | 2690 | Karlslunde |
| PH Spaanteknik A/S | 9620 | Aalestrup |
| Pihl Coating Entreprise A/S | 4400 | Kalundborg |
| Pilz Skandinavien K/S | 6400 | Sønderborg |
| Pinholt Metal Working A/S | 7800 | Skive |
| Plant Supervision Services ApS | 9000 | Aalborg |
| PM Energi A/S | 9700 | Brønderslev |
| PMC Hydraulics A/S | 2750 | Ballerup |
| PostNord Logistics A/S | 4600 | Køge |
| Poul Jensens Maskinfabrik, Faxe A/S | 4640 | Faxe |
| Poul Johansen Maskiner A/S | 4540 | Fårevejle |
| Povl Møllers Maskinfabrik A/S | 4140 | Borup |
| PPG Scandinavia | 2860 | Søborg |
| Preben Z. Jensen A/S | 2640 | Hedehusene |
| Pretec Danmark A/S | 4600 | Køge |
| Prima Power Danmark | 8870 | Langå |
| Prodan A/S | 8940 | Randers SV |
| ProMetal A/S | 5500 | Middelfart |
| Protech Danmark | 6000 | Kolding |
| Prototal Denmark A/S | 2630 | Taastrup |
| Provak ApS | 2600 | Glostrup |
| Prowelding A/S | 7400 | Herning |
| Præstmark A/S | 2950 | Vedbæk |
| PTI A/S | 6880 | Tarm |
| PUMPEGRUPPEN A/S | 2800 | Kongens Lyngby |
| PumPac A/S | 3400 | Hillerød |