| Albemarle |
| Aurora Hydrogen |
| Bangchak Corporation Public Company Ltd |
| BASF Corporation |
| BP Products North America Inc. |
| C-Zero |
| Chevron U.S.A. Inc. |
| CPFD Software |
| Encina |
| ENEOS (JXTG Nippon Oil & Energy) |
| ExxonMobil Research & Engineering |
| GTI Energy |
| Haldor Topsøe |
| Hindustan Petroleum Corp. Limited |
| Honeywell UOP |
| Idaho Environmental Coalition, LLC |
| IFP Energies Nouvelles |
| Indian Oil Corporation |
| KBR |
| Lummus Technology |
| Marathon Petroleum Company LLC |
| Niron Magnetics |
| OMC Thermochemistry |
| Owens Corning |
| Oxy Low Carbon Ventures / Carbon Engineering |
| Par Pacific Holdings |
| Sarpom SRL |
| Saudi Basic Industries Corporation (SABIC) |
| Shell Global Solutions (US), Inc. |
| Siemens PLM (CD-Adapco) |
| Suncor Energy |
| Technip Energies |
| The Dow Chemical Company |
| Valmet Technologies Oy |
| ZEG Power AS |
