| CIBC |
| Chrysalix Venture Capital |
| Chrysalix Venture Capital |
| Chrysalix |
| Chevron Technology Ventures (Houston) |
| Caterpillar Inc |
| CALSTART |
| Burnt Island Ventures |
| Breakthrough Energy |
| bp Ventures |
| bp Ventures |
| bp Ventures |
| bp ventures |
| BNP Paribas |
| BNPP |
| blue reef capital ltd |
| Blue Earth Capital |
| Black & Veatch |
| BDC Capital Sustainability Venture Fund |
| BDC Capital |
| BDC Capital |
| At One Ventures |
| Atom-X |
| AP Ventures |
| Amplify Capital |
| Air Liquide |
| Air Liquide |