| Symbol | Name | Country | Exchange |
|---|---|---|---|
| BIRMF | Biorem Inc | US | OTC |
| UVFT | Uv Flu Technologies | US | OTC |
| VNTH | Nano Mobile Healthcare Inc. | US | OTC |
| ZENO | Zenosense Inc | US | OTC |
| BRM | Biorem Inc. | CA | TSXV |
| 086520 | Ecopro Co. Ltd | KR | KQ |
| 300172 | Nanjing CEC Environmental Protect | CN | SHE |
| 300275 | Chongqing Mas Sci&Tech | CN | SHE |
| SENS | Sensirion Holding AG | CH | SW |
| 300862 | Anhui Landun Photoelectron Co Ltd | CN | SHE |