| Energy Innovation Capital |
| ENGIE New Ventures |
| ENGIE NEW VENTURES |
| Eren Groupe |
| Evoco |
| Export Development Canada |
| Export Development Canada |
| Finindus |
| Fort Capital Partners |
| Fort Capital Partners |
| Fortescue Ventures |
| Future Energy Ventures |
| HG Ventures |
| Idemitsu Americas |
| Idemitsu Americas Holdings |
| Idemitsu Americas Holdings |
| Idemitsu Americas Holdings Corporation |
| Idemitsu Kosan Co., Ltd |
| Idemitsu Kosan Co., Ltd. |
| Innovation Core SEI, Sumitomo Electric Industries Group |
| International Finance Corporation |
| Ionomr Innovations, Inc. |
| Jefferies LLC |
| JERA Ventures |
| JFE Engineering America, Inc. |
| JFE Engineering America, Inc. |
| JPMorgan |
| Kairos Power |
| Kevala |
| Klima / Alantra |
| Klima Energy Transition |
| Koloma |
| Kurita Water Industries |
| Marunouchi Innovation Partners |
| Mitsubishi Canada Ltd. |
| Mitsubishi Corporation |
| Mitsubishi Heavy Industries |
| Mitsui Global Investment |
| MKB |
| MOL(Americas)LLC |
| MOL Switch |
| MOL Switch |
| MOL Switch LLC |
| NaviScale - Powered by Halliburton |
| Neva SGR |
| Neva SGR |
| Neva SGR |
| Novastus |
| Osaka Gas USA |
| Piva Capital |