| Symbol | Name | Country | Exchange |
|---|---|---|---|
| DOCKF | Beyond Medical Technologies Inc | US | OTC |
| TLGN | Totally Green Inc | US | OTC |
| CAMBI | Cambi ASA | NO | OL |
| BIOGAS | Scandinavian Biogas Fuels International AB | SE | ST |
| HMGS | Homebiogas Ltd | IL | TA |
| 1K5A | RENEWI LS 1 | DE | F |
| ANRG | Anaergia Inc | CA | TO |