| Abbreviation | Definition |
|---|---|
| BRT | Brightside |
| BRU | Brulines |
| BRW | Brewin Dolphin |
| BRWM | Blackrock Wld |
| BRWV | Bedford Row |
| BRY | Brady |
| BSC | British Smaller Companies V.C. |
| BSET | Br.assets Trust |
| BSLA | Blacks Leis. |
| BSP | Brainspark, PLC. |
| BSRT | Baker Steel |
| BSRW | Baker Steel Sub |
| BSST | Bluestar |
| BSV | Br.smaller Cos. |
| BSY | Bskyb |
| BT.A | Bt Group |
| BTC | Baltic Oil |
| BTEM | Br.empire Sec. |
| BUB | Banco Oro S |
| BUBA | Banco Oro A |