| 4.screen GmbH | |
| 42 GmbH | Lower Saxony |
| 42DBS GmbH | |
| 42DIGITAL GmbH | Bremen |
| 42reports | |
| 42robots.com | Bavaria |
| 44u Marketing oHG | Lower Saxony |
| 450 Heartbeats GmbH | |
| 4D Electronic GmbH | Bavaria |
| 4D Solution | |
| 4ds Consulting | |
| 4fb | North Rhine-Westphalia |
| 4freelance | Bavaria |
| 4freelance Recruitment AG | |
| 4G Systems GmbH & Co. KG | Hamburg |
| 4HF Biotec GmbH | |
| 4its GmbH | Hamburg |
| 4SC AG | |
| 4Soft GmbH | |
| 4Source electronics AG | Saxony |
| 4System GmbH | North Rhine-Westphalia |
| 4TEEN4 Pharmaceuticals GmbH | |
| 4tiitoo GmbH | |
| 4U Computersysteme GmbH | |
| 4UCS | Saxony |
| 4voice AG | Bavaria |
| 4Ws Netdesign GbR | |
| 4you-solutions | |
| 5 POINT AG | Hesse |
| 5 Star Games | North Rhine-Westphalia |
| 5th-Floor GmbH | North Rhine-Westphalia |
| 7 Services | Bavaria |
| 7-it | |
| 711media websolutions GmbH | Baden-Württemberg |
| 747 Studios GmbH | |
| 74dpi | Lower Saxony |
| 74dpi | |
| 7BusinessConulting AG | Baden-Württemberg |
| 7colors OnlineDesign | Lower Saxony |
| 7Learnings GmbH | |
| 7media Webdesign München & Wasserburg | Bavaria |
| 7METER17 GmbH | |
| 7o7 Marketing GmbH | |
| 7thSENSE GmbH | Baden-Württemberg |
| 88mph Seed Fund | |
| 8works.de | North Rhine-Westphalia |
| 90five | |
| 91interactive GmbH | |
| 99coaches GmbH | |
| 9am | Berlin |