| # | Name | Location | Applications |
|---|---|---|---|
| 1. | H2 CATALYST, LLC | 🇺🇸 New York, NY, United States | 1 |
| 2. | H2 Clipper, Inc. | 🇺🇸 Santa Barbara, CA, United States | 14 |
| 3. | H2C Brands, LLC | 🇺🇸 Atlantic Beach, FL, United States | 1 |
| 4. | H2C S.R.L. | 🇮🇹 Rome, Italy | 2 |
| 5. | H2CONNECT 2 GMBH | 🇩🇪 Heidelberg, Germany | 1 |
| 6. | H2CREO Corp. | 🇺🇸 Dover, DE, United States | 4 |
| 7. | H2CS HYDRO COOL SYSTEMS LIMITED | 🇨🇦 Toronto, Canada | 1 |