| # | Name | Location | Applications |
|---|---|---|---|
| 1. | E.HY. Energy Hydrogen Solution S.p.A. | 🇮🇹 San Giuliano Terme (PISA), Italy | 1 |
| 2. | E.HY. ENERGY HYDROGEN SOLUTION S.P.A. | 🇮🇹 San Giuliano Terme, Italy | 1 |
| 3. | EHYGIENE CO., LTD. | 🇰🇷 Gunpo-si, South Korea | 1 |
| 4. | EHYGIENE CO., LTD. | 🇰🇷 Ansan-si, South Korea | 1 |