| Abbreviation | Definition |
|---|---|
| BKI | Brickworks Investment Company Ltd |
| BKL | Blackmores Laboratories Ltd |
| BKM | BKM Management Ltd |
| BKN | Bradken Ltd |
| BKNKOA | Bradken Limited |
| BKNKRA | Bradken Limited |
| BKNKRC | Bradken Limited |
| BKNKRQ | Bradken Limited |
| BKNKZA | Bradken Limited |
| BKNKZQ | Bradken Limited |
| BKP | Baraka Petroleum Ltd |
| BKW | Brickworks Ltd |
| BKY | Berkeley Resources Ltd |
| BKYO | BKYO |
| BLD | Boral Ltd |
| BLDKOA | Boral Limited. |
| BLDKOB | Boral Limited. |
| BLDKOP | Boral Limited. |
| BLDKRA | Boral Limited. |
| BLDKRB | Boral Limited. |