| Symbol | Name | Country | Exchange |
|---|---|---|---|
| CSOL | China Solar & Cln En | US | OTC |
| FUPBY | Fuchs Petrolub Se | US | OTC |
| GLYE | Glyeco Inc | US | OTC |
| INTK | Industrial Nanotech | US | OTC |
| IVDN | Innovative Designs | US | OTC |
| KGSPF | Kingspan Group Plc | US | OTC |
| KGSPY | Kingspan Group Plc ADR | US | OTC |
| KNGPF | Knm Group Berhad | US | OTC |
| MUEL | Paul Mueller Company | US | OTC |
| NIABY | Nibe Industrier Ab | US | OTC |
| PLNTQ | Proliance Intl Inc | US | OTC |
| RKWBF | Rockwool Intl Ser B | US | OTC |
| SPXSF | Spirax-Sarco Engineering plc | US | OTC |
| VAQTF | VA Q Tec Ag | US | OTC |
| WEBC | Webco Industries New | US | OTC |
| CVX | Cematrix Corporation | CA | TSXV |
| HRX | Heroux-Devtek Inc. | CA | TSX |
| AUTG | Autins Group Plc | UK | LSE |
| HON | Honeywell International Incorporated | UK | LSE |
| KGP | Kingspan Group Plc | UK | LSE |