**Exhibit21.1**

We currently conduct some of ouroperations through subsidiaries.  Eachof the subsidiaries does business under its own name.  Thefollowing chart provides the information required by Item 6.01 of RegulationS-K:
| Name                                                   | ** ** | **Jurisdiction of  Incorporation** | ** ** | **Ownership  Percentage** |
|--------------------------------------------------------|------------|------------------------------------|------------|---------------------------|
|                                                   |       |                               |       |                      |
| Isonics Homeland Security and Defense Corporation      |       | Delaware, USA                      |       | 100%                      |
|                                                   |       |                               |       |                      |
|                                                   |       |                               |       |                      |
| SenseIt Corp.                                          |       | Delaware, USA                      |       | 90% by HSDC               |
|                                                   |       |                               |       |                      |
|                                                   |       |                               |       |                      |
| Protection Plus Security Corporation                   |       | New York, USA                      |       | 100% by HSDC              |
|                                                   |       |                               |       |                      |
|                                                   |       |                               |       |                      |
| Isonics Vancouver, Inc.                                |       | Washington, USA                    |       | 100%                      |
|                                                   |       |                               |       |                      |
| Chemotrade GmbH,                                       |       | Germany                            |       | 100%                      |
|                                                   |       |                               |       |                      |
|                                                   |       |                               |       |                      |
| Institut fur Umwelttechnologien GmbH (“IUT”) |       | Germany                            |       | 30%                       |
|                                                   |       |                               |       |                      |
|                                                   |       |                               |       |                      |
| Interpro Zinc, LLC                                     |       | Colorado                           |       | 25%                       |
|                                                   |       |                               |       |                      |
|                                                   |       |                               |       |                      |
| ISCON Video Imaging, Inc.                              |       | Massachussets                      |       | 6%                        |

 

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