| Navn | Postnummer | By |
|---|---|---|
| Maskinfabrikken Automa ApS | 2500 | Valby |
| MEC ApS | 2750 | Ballerup |
| Mekoprint A/S | 9530 | Støvring |
| Mekoprint Seritronic A/S | 9530 | Støvring |
| Melsen Tech A/S | 9200 | Aalborg SV |
| MENY Kaffe | 9400 | Nørresundby |
| Micro Technic A-S | 5560 | Aarup |
| Microsolutions A/S | 8700 | Horsens |
| Mikkelsen Electronics A/S | 3520 | Farum |
| Mink-Bürsten ApS | 5492 | Vissenbjerg |
| Mirit Glas A/S | 2730 | Herlev |
| MTO electric a/s | 7100 | Vejle |
| Murrelektronik ApS | 9000 | Aalborg |