| Firma | Ort | Kategorie |
|---|---|---|
| Pfeiffer Vacuum | Aßlar | |
| GEA Food Solutions Germany | Biedenkopf | |
| K+G Wetter Maschinenfabrik | Biedenkopf-Breidenstein | |
| Roth Hydraulics | Biedenkopf-Eckelshausen | |
| Weber Maschinenbau GmbH | Breidenbach | |
| Mettler-Toledo | Gießen | |
| Tool MT | Gießen | |
| OPTIMA pharma | Gladenbach | |
| HERBORNER PUMPENTECHNIK | Herborn | |
| Müller Safe | Herborn | |
| Overbeck | Herborn | |
| Rittal | Herborn | |
| Asprova | Hüttenberg | |
| LANG | Hüttenberg | |
| Hastamat Verpackungstechnik | Lahnau | |
| LTI Motion | Lahnau | |
| Wilhelm Wagner | Lahnau | |
| Bosch KWK Systeme | Lollar | |
| A+W Software | Pohlheim | |
| Baumann Maschinenbau Solms | Solms | |
| Herhof | Solms | |
| Roth Composite Machinery | Steffenberg | |
| Hexagon Metrology | Wetzlar | |
| Satisloh | Wetzlar | |
| SPRING Technologies | Wetzlar |