| Abbreviation | Definition |
|---|---|
| BARZ | Barra, Inc. |
| BASEA | Base Ten Systems, Inc. |
| BASFY | B A S F, A. G. |
| BASI | Bioanalytical Systems, Inc. |
| BATH | Bath National Corporation |
| BATS | Batteries Batteries, Inc. |
| BATSW | Batteries Batteries, Inc. Warrants |
| BATT | Talisman Enterprises |
| BAV.L | BaronsMead AIM Victoria |
| BAVA | Bavarian Nordic |
| BAVL | Raiffeisen Bank Aval Equity Research |
| BAVN.F | Bassett Ventures |
| BAYB | Bay Bancshares, Inc. |
| BAYUE | Bayou International, Ltd. |
| BAYZY | Bayer, A. G. |
| BB | Bella Bambina |
| BBAN | Broadband Wireless |
| BBAR | Balance Bar Company |
| BBBY | Bed, Bath, & Beyond, Inc. |
| BBDC | Brantley Capital Corporation |