| Abbreviation | Definition |
|---|---|
| BOSTQ | Boston Chicken, Inc. (in bankruptcy) (delisted) |
| BOTX | Bontex, Inc. |
| BOUT | About.Com, Inc. |
| BOVI | Bovie Medical Corporation |
| BOWG | Suite 101.Com, Inc. |
| BOYD | Boyd Brothers Transportation, Inc. |
| BOYL | B Y L Bancorp |
| BPAO | Baldwin Piano and Organ Company |
| BPCC | Bishop Capital Corporation |
| BPFH | Boston Private Financial Holdings |
| BPHCY | Burns Philip & Company |
| BPIE | B P I Packaging Technology, Inc. |
| BPIEP | B P I Packaging Technology, Inc. Preferred |
| BPLS | Bank Plus Corporation |
| BPLX | Bio Plexus, Inc. |
| BPLY | Bank Petaluma |
| BPMD | Boston Pacific Medicine, Inc. |
| BPMI | Badger Paper Mills, Inc. |
| BPNT | Barpoint.Com, Inc. |
| BPOP | Popular, Inc. |