Exhibit 21
List of Subsidiaries of EnSync, Inc.
| 1. | ZBB Energy Pty. Ltd. (Australia) | |
| 2. | ZBB PowerSav Holdings Limited (Hong Kong) | |
| 3. | ZBB Cayman Corporation (Cayman Islands) | |
| 4. | Holu Energy LLC (Hawaii) | |
| 5. | EnSync Managed Services LLC (Wisconsin) | |
| 6. | DCfusion, LLC (Delaware) | |
| 7. | EnSync Pacific Engineering LLC (Hawaii) | |
| 8. | EnSync Pacific Energy LLC (Hawaii) |