1. Arca
2. Blue Planet Systems
3. Carbfix hf.
4. CarbiCrete
5. Carbofex Oy
6. Carbon Clean Solutions Limited.
7. Carbon Engineering Ltd.
8. CarbonCure Technologies Inc.
9. Cella Mineral Storage Inc.
10. Charm Industrial Inc.
11. Climeworks AG
12. Ebb Carbon Inc.
13. Global Thermostat
14. Heimdal Inc.
15. neustark AG
16. Novocarbo GmbH
17. Noya PBC
18. Pacific Biochar Benefit Corporation
19. Planetary Technologies Inc.
20. Prometheus Fuels
21. Skytree
22. Wakefield BioChar