1. Coaltec Energy Usa
2. Farm2Energy Private Limited
3. Frontline Bioenergy Ltd
4. Proactive Agriculture
5. Airex Energy Inc
6. Karr Group Co
7. Biochar Supreme
8. Arsta Eco Pvt Ltd
9. Carbofex Ltd
10. Pacific Biochar Production
11. Swiss Biochar Gmbh
12. Sonnenerde Gmbh
13. Pyro Power
14. Stiesdal
15. Novocarbo