| Abbreviation | Definition |
|---|---|
| BSGK | Banc Stock Group, Inc. |
| BSIC | Basic Earth Science Systems |
| BSMD | Biosphere Medical, Inc. |
| BSNX | Basin Exploration, Inc. |
| BSOI | Bison Instruments, Inc. |
| BSQR | BSquare Corporation |
| BSRR | Bank Sierra of Porterville, California |
| BSRTS | Banyan Strategic Realty Trust |
| BSTC | Biospecifics Technology Corporation |
| BSTE | Biosite Diagnostic, Inc. |
| BSTI | BioShield Technology, Inc. |
| BSTR | Bank Store |
| BSTW | Bestway, Inc. |
| BSXT | Bank of Essex, Tappahannock, Virginia |
| BSYS | B I S Y S Group, Inc. |
| BTASY | British Aerospace Ordnance |
| BTBC | B2BStores.Com, Inc. |
| BTBT | B T Shipping, LTD. |
| BTBT | BT Shipping, LTD. (de-listed) |
| BTBT | BT Shipping, LTD. (de-listed) |