Tooth Racks
| Name | Website | Description of Activities |
| Atlanta | www.atlantagmbh.de | Power transmission engineering |
| SPN | www.spn-hopf.de | Develop and produce gearboxes, toothing components, drive systems and components for drive technology and mechatronics |
| Name | Website | Description of Activities |
| Atlanta | www.atlantagmbh.de | Power transmission engineering |
| SPN | www.spn-hopf.de | Develop and produce gearboxes, toothing components, drive systems and components for drive technology and mechatronics |