| Navn | Postnummer | By |
|---|---|---|
| Maskinsikkerhed ApS | 3500 | Værløse |
| MEC ApS | 2750 | Ballerup |
| Mekoprint A/S | 9530 | Støvring |
| Mekoprint Seritronic A/S | 9530 | Støvring |
| Melsen Tech A/S | 9200 | Aalborg SV |
| Micro Technic A-S | 5560 | Aarup |
| Milexia Nordics A/S | 2605 | Brøndby |
| Mink-Bürsten ApS | 5492 | Vissenbjerg |
| Mirit Glas A/S | 2730 | Herlev |
| MTO electric a/s | 7100 | Vejle |
| Murrelektronik ApS | 9000 | Aalborg |