| Symbol | Name | Country | Exchange |
|---|---|---|---|
| ALB | Albemarle Corporation | US | NYSE |
| CDXS | Codexis, Inc. | US | NASDAQ |
| ECVT | Ecovyst Inc. | US | NYSE |
| FTEK | Fuel Tech, Inc. | US | NASDAQ |
| TEN | Tenneco Inc. | US | NYSE |
| AVTXF | Avantium N V | US | OTC |
| CDTI | CDTi Advanced Materials, Inc | US | OTC |
| CLZNF | Clariant Ag Nam Akt | US | OTC |
| CLZNY | Clariant Ag Unsp | US | OTC |
| ERMAF | Eramet Sa | US | OTC |
| GFOO | Genufood Energy | US | OTC |
| JGCCF | Jgc Holdings Corp | US | OTC |
| JMPLF | Johnson Matthey Pub | US | OTC |
| JMPLY | Johnson Matthey Plc | US | OTC |
| STACF | Portex Minerals | US | OTC |
| SVYSF | Solvay Sa Act | US | OTC |
| UMICF | Umicore SA | US | OTC |
| UMICY | Umicore SA | US | OTC |
| JMAT | Johnson Matthey Plc | UK | LSE |
| UMI | Umicore S.A. | BE | BR |