| Abbreviation | Definition |
|---|---|
| BLDKRC | Boral Limited. |
| BLDKRP | Boral Limited. |
| BLDKRQ | Boral Limited. |
| BLG | Blugass Ltd |
| BLK | Blackham Resources Ltd |
| BLR | Black Range Minerals Ltd |
| BLT | Benitec Ltd |
| BLTO | BLTO |
| BLTOB | Benitec Limited |
| BLY | Boart Longyear Ltd |
| BLYKMB | Boart Longyear Limited |
| BLYKMC | Boart Longyear Limited |
| BLYKMP | Boart Longyear Limited |
| BLYKOC | Boart Longyear Limited |
| BLYKOP | Boart Longyear Limited |
| BLYKRB | Boart Longyear Limited |
| BLYKRQ | Boart Longyear Limited |
| BLZ | Blaze International Ltd |
| BMG | Brazilian Metals Group Limited. |
| BMGO | Brazilian Metals Group Limited. |