| Symbol | Name | Country | Exchange |
|---|---|---|---|
| PXCLY | Phoenix Copper Limited | US | OTC |
| RAREF | Canada Rare Earth Corp | US | OTC |
| RDRUY | Neometals Ltd. | US | OTC |
| REDLF | Red 5 Limited | US | OTC |
| REEMF | Rare Element Res Ltd | US | OTC |
| RNWEY | REC Silicon ASA | US | OTC |
| RRSSF | Neometals Ltd | US | OTC |
| SAMMF | Sama Res/Ressources Sama | US | OTC |
| SAPLF | Sylvania Platinum | US | OTC |
| SBYSF | Sibanye Stillwater Ltd | US | OTC |
| SGLFF | SGL Carbon SE | US | OTC |
| SLCO | Sovereign Lithium Inc | US | OTC |
| SLMXF | Slam Expl Ltd | US | OTC |
| SNLGF | Sunland Grp Ltd | US | OTC |
| SNNAF | Sienna Resources Inc | US | OTC |
| SRCAF | Stria Capital Inc | US | OTC |
| SREMF | Sunrise Energy Metals Limited | US | OTC |
| SRGMF | SRG Mining Inc | US | OTC |
| SSYRF | Sassy Res Corp | US | OTC |
| STMNF | Sumitomo Metal Mining CO Ltd | US | OTC |