| Symbol | Name | Country | Exchange |
|---|---|---|---|
| NICXF | Nicox Sa EUR Ord | US | OTC |
| NUMD | Nu-Med Plus, Inc | US | OTC |
| NIOX | NIOX Group Plc | UK | LSE |
| COX | Nicox S.A | FR | PA |
| AWTRF | Air Water Inc | US | OTC |
| CSSPF | Circassia Group Plc | US | US |
| 48L | BEYOND AIR INC. DL-0001 | DE | F |
| 82C | Circassia Group Plc | DE | F |
| NXOA | Nicox S.A | DE | F |