PowerPlus Technologies GmbH
- Ecopower - development of a micro combined heat and power system based on a reciprocating engine.
- http://www.ecopower.de/

Transformation and Innovation in Power Systems
- Interdisziplinary research project investigating the dynamics and impacts of innovation and transformation in the German electricity system.
- http://www.tips-project.de

Ebara Corporation Pumps & Compressors
- Development of a micro combined heat and power (CHP) system for the Japanese residential market together with Ballard.
- http://www.ebara.co.jp/en/

Whisper Tech
- The company carries out research and development of a micro-combined heat and power (CHP) system using a Stirling engine.
- http://www.whispergen.com/