| Abbreviation | Definition |
|---|---|
| BKP | C.A. Bancorp Inc. |
| BKP | C.A. Bancorp Incorporated (de-listed) |
| BKP | C.A. Bancorp Incorporated (de-listed) |
| BKX | BNK Petroleum Inc. |
| BKX | BNK Petroleum Incorporated |
| BLD | Ballard Power Systems Inc. |
| BLD | Ballard Power Systems Incorporated |
| BLS | Boliden AB |
| BLS | Boliden AB (de-listed) |
| BLS | Boliden AB (de-listed) |
| BLU | BELLUS Health Inc. |
| BLU | BELLUS Health Incorporated |
| BLX | Boralex Inc. |
| BLX | Boralex Incorporated Class A |
| BLZ | Belzberg Technologies Inc. |
| BLZ | Belzberg Technologies, Incorporated |
| BMO | Bank of Montreal |
| BNA | BAM Split Corporation |
| BNC | Bioniche Life Sciences Inc. |
| BNC | Bioniche Life Sciences, Incorporated |