| FF | FutureFuel Corp. | | | |
| FUL | H. B. Fuller Company | | | |
| GEVO | Gevo, Inc. | | | |
| HDSN | Hudson Technologies, Inc. | | | |
| HWKN | Hawkins, Inc. | | | |
| IFF | International Flavors & Fragrances, Inc. | | | |
| IOSP | Innospec Inc. | | | |
| KOP | Koppers Holdings Inc. | | | |
| KRO | Kronos Worldwide Inc | | | |
| KWR | Quaker Houghton | | | |
| LIN | Linde plc | | | |
| LOOP | Loop Industries, Inc. | | | |
| LWLG | Lightwave Logic, Inc. | | | |
| LYB | LyondellBasell Industries NV Ordinary Shares Class A (Netherlands) | | | |
| MATV | Mativ Holdings, Inc. | | | |
| MNTK | Montauk Renewables, Inc. | | | |
| MTX | Minerals Technologies Inc. | | | |
| NEU | NewMarket Corp | | | |
| NGVT | Ingevity Corp. | | | |
| NTIC | Northern Technologies International Corp. | | | |
