- ComAp Deutschland GGmbH: Solution Provider Focus on CHP and gas engine control, refurbishment of controls
- Solid Energy DK: Engineering, commissioning, support
- Weigelt CHP systems: engineering, commissioning, support
- Hatraco NL: Consulting: Engineering, Support
- BVE Elektro Laufenburg: planning, circuit diagram creation, commissioning
- spark SENERGIE GmbH: System Partner Commissioning Service Troubleshooting
- MAN Truck and Bus Weil am Rhein: CHP specialist Service and maintenance
- Heinzmann GmbH: Commissioning, Consulting
- UPB GmbH Berlin: System Partner Commissioning Service Troubleshooting