| Symbol | Name | Country | Exchange |
|---|---|---|---|
| AATGF | Ati Airtest Tech Inc | US | OTC |
| ARTH | Arch Therapeutics Inc | US | OTC |
| ATONY | Anton Oilfld Sv ADR | US | OTC |
| CYBNY | Cyber Security 1 AB | US | OTC |
| EENEF | Electrocomponents Plc [Uk] | US | OTC |
| PFFVF | Pfeiffer Vacuum Technology Ag | US | OTC |
| WTLLF | Water Intelligence Plc | US | OTC |
| PFV | Pfeiffer Vacuum Technology AG | DE | F |
| IFCN | Inficon Holding | CH | SW |
| ESHSD | ESHSD | US | US |
| IFCNF | INFICON Holding AG | US | US |
| PFV | Pfeiffer Vacuum Technology O.N. | DE | XETRA |
| EDY | Eddy Smart Home Solutions Ltd | CA | V |
| 0FQR | Pfeiffer Vacuum Technology O.N. | GB | LSE |