| MK Webdesign | Lower Saxony |
| mk-internet | Bremen |
| MK-Vision | Bavaria |
| mk2 Biotechnologies GmbH | |
| mkdev | |
| MKQ Internetservice | Thuringia |
| MKS Software Management AG | Baden-Württemberg |
| MKT Systemtechnik GmbH & Co. KG | North Rhine-Westphalia |
| ML Consulting Schulung, Service & Support GmbH | North Rhine-Westphalia |
| ML-Software GmbH | Baden-Württemberg |
| MLM Medical Labs | |
| MLP Finanzberatung SE | |
| MLsysteme | |
| MLUA Oranienburg e.V. | |
| MM Software + Trainings | Baden-Württemberg |
| MM Supplies GmbH | Hesse |
| MM3Tools | Rhineland-Palatinate |
| MMC Agentur | |
| MMDE | Bavaria |
| mmh kommunikationsagentur GmbH | |
| MMK GmbH | North Rhine-Westphalia |
| MMO Joe UG (haftungsbeschränkt) | Hamburg |
| mmplus1 | Thuringia |
| MMS GmbH | North Rhine-Westphalia |
| MNT Research GmbH | |
| Mo:re GmbH | |
| MOApp Software | Berlin |
| Moba Mobile Automation AG | Hesse |
| MOBackup | Saxony |
| Mobexo GmbH | |
| MOBIKO | |
| Mobilcom Communicationstechnik GmbH | Schleswig-Holstein |
| Mobile Etage | Lower Saxony |
| Mobile Event Guide | |
| mobile melting GmbH | Berlin |
| Mobile Office GmbH | |
| mobile only SI GmbH | Berlin |
| Mobile Peak GmbH | |
| Mobile Software AG | |
| mobile TREND GmbH | |
| Mobile-master | Bavaria |
| Mobile-zeitgeist | Baden-Württemberg |
| MobileBits GmbH | |
| mobileJobs GmbH | |
| MobileTech Conference & Summit | |
| mobileX AG | Bavaria |
| Mobilinga GmbH | Bremen |
| Mobilion.eu | |
| Mobipla | Saxony-Anhalt |
| Mobiteam GmbH | |