| Symbol | Name | Country | Exchange |
|---|---|---|---|
| BLXX | Blox, Inc | US | OTC |
| BLYFF | Boart Longyear Group Ltd | US | OTC |
| BMIX | Brazil Minerals Inc | US | OTC |
| BMNR | Bitmine Immersion Technologies Inc | US | OTC |
| BNCHF | Benchmark Metals Inc | US | OTC |
| BNTRF | Benton Resources | US | OTC |
| BOCOF | Bougainville Copper | US | OTC |
| BONZ | Bonanza Goldfields | US | OTC |
| BOREF | Borealis Exploration Ltd | US | OTC |
| BRDCY | Bridgestone Corp ADR | US | OTC |
| BRGC | Brightrock Gold Corp | US | OTC |
| BRSLF | Barsele Minerals Corp. | US | OTC |
| BRVMF | Bravo Mining Corp | US | OTC |
| BRVRF | Blue Riv Res Ltd | US | OTC |
| BRYFF | Bri-Chem Corp | US | OTC |
| BRYYF | Amani Gold Limited | US | OTC |
| BSENF | Baselode Energy Corp | US | OTC |
| BSRSF | BE Res Inc Ord | US | OTC |
| BSSMF | Bass Metals Ltd | US | OTC |
| BTQNF | BQE Water Inc | US | OTC |