| Social Sweethearts GmbH | |
| social-startups.de | Hesse |
| SocialTech e.V. | |
| Societe Generale S.A. Frankfurt Branch | |
| Society Solutions GmbH | North Rhine-Westphalia |
| SOCO Network Solutions GmbH | North Rhine-Westphalia |
| Soco Software & Computer GmbH | Thuringia |
| SocraTec R&D Concepts in Drug Research and Development GmbH | |
| Sodalitas GmbH | Saxony |
| SODEFA | |
| SOF Optoelectronics GmbH | North Rhine-Westphalia |
| Sofatutor GmbH | Berlin |
| Söffker Elektronik Uelzen GmbH | Lower Saxony |
| SOFHA GmbH | Berlin |
| Sofis AG | Saarland |
| Sofistik AG | Bavaria |
| Soft Service Computer GmbH | |
| soft Xpansion GmbH & Co. KG | North Rhine-Westphalia |
| Soft-Consult Häge GmbH | |
| soft-evolution GmbH & Co. KG | Lower Saxony |
| Soft-Landing | |
| soft-management ek | Bavaria |
| soft-ng Development GmbH | Bavaria |
| Soft-Work Media GmbH | North Rhine-Westphalia |
| soft2tec GmbH | |
| SOFTAGE Solutions GmbH | Bavaria |
| SOFTBAUWARE GmbH | |
| SoftBCom Berlin GmbH | |
| Softbox GmbH | Bavaria |
| Softbrains | |
| SoftCareHouse GmbH | |
| SoftCom Computer- und Unternehmensberatungs GmbH | Hesse |
| SoftComply | |
| Softcon CIS GmbH | Bavaria |
| SoftConEx GmbH | |
| SoftControl GmbH | Hesse |
| Softdistribution GmbH | Saxony-Anhalt |
| Softec AG | |
| Softed Systems | Saxony |
| Softelec GmbH | Bavaria |
| softEnergy GmbH | Mecklenburg-Vorpommern |
| SoftENGINE GmbH | Rhineland-Palatinate |
| SoftExpress GmbH | Rhineland-Palatinate |
| Softfair GmbH | Hamburg |
| Softfolio.pps GmbH | Baden-Württemberg |
| Softgames | |
| SOFTGAMES – Mobile Entertainment Services GmbH | Berlin |
| Softgarden E-Recruiting GmbH | Berlin |
| Softgate GmbH | Bavaria |
| Softgenic Systems | |