| Symbol | Name | Country | Exchange |
|---|---|---|---|
| APD | Air Products and Chemicals, Inc. | US | NYSE |
| SLCA | U.S. Silica Holdings, Inc. | US | NYSE |
| SND | Smart Sand, Inc. | US | NASDAQ |
| ARKAF | Arkema S.A | US | OTC |
| 300174 | Fujian Yuanli Active Carbon Co Ltd | CN | SHE |
| 300471 | Chengdu Huaqi Houpu Holding Co Ltd | CN | SHE |