| Robert Half Deutschland | DE-64 Darmstadt | ||
| Amadeus FiRe AG | DE-64 Darmstadt | ||
| Amadeus FiRe AG | DE-64 Darmstadt | ||
| Amadeus FiRe AG | DE-64 Darmstadt | ||
| Amadeus FiRe AG | DE-64 Darmstadt | ||
| I. K. Hofmann GmbH | DE-64 Griesheim | ||
| CALANBAU Brandschutzanlagen GmbH | DE-64 Griesheim bei Darmstadt | ||
| Merck KGaA | DE-64 Darmstadt | ||
| Merck KGaA | DE-64 Darmstadt | ||
| Fraunhofer-Gesellschaft | DE-64 Darmstadt | ||
| Deutsche Telekom | DE-64 Darmstadt | ||
| Software AG | DE-64 Darmstadt | ||
| accessKellyOCG GmbH | Rhein-Main-Gebiet (PLZ 62, 60, 64, 61, 56, 63, 55, 65) | ||
| ISRA SURFACE VISION GmbH | Darmstadt & Herten (PLZ 64, 45) | ||
| Amadeus FiRe AG | DE-64 Darmstadt | ||