| Symbol | Name | Country | Exchange |
|---|---|---|---|
| SND | Smart Sand, Inc. | US | NASDAQ |
| NAFS | North America Frac Sand Inc. | US | OTC |
| PYX | PYX Resources Limited | UK | LSE |
| 1SD | Smart Sand Inc | DE | F |
| 4B4 | Australian Silica Quartz Group Ltd | DE | F |
| MM4 | Metallica Minerals Ltd | DE | F |
| 1903 | JBB Builders International Ltd | HK | HK |
| NINK | Nami Corp | US | OTC |