1. Greenlane Renewables Inc.
2. Malmberg SE
3. Air Liquide S.A.
4. Xebec Adsorption Inc.
5. Carbotech Gas Systems GmbH
6. Morrow Biogas Systems AS
7. Wartsila Finland Oyj
8. Prodeval
9. DMT Environmental Technology GmbH
10. Envitech Energietechnik AG