| Abbreviation | Definition |
|---|---|
| BKC | Burger King Corporation |
| BKE | Birdman Kustom Electronics |
| BKF | Braun Kendrick Finkbeiner, P.L.C., Attorneys at Law (Saginaw, Michigan) |
| BKG | Bruckmann & Kreyenborg Granuliertechnik GmbH |
| BKH | Barton K. Hyte Company, Inc. |
| BKH | Bezirkskrankenhaus G??nzburg |
| BKH | Bezirkskrankenhaus Günzburg |
| BKHI | Burger King Holdings, Inc. |
| BKI | Bert Klapec Inc |
| BKI | Burk Kleinpeter Inc |
| BKST | Bookstore |
| BL | Baby Land |
| BL | Bishop And Lam |
| BL | British Library |
| BL | Brookville Locomotive |
| BL&S | Boston Light and Sound |
| BLAIL | Bruce Levy Associates International, Ltd. |
| BLBC | Black Label Brewing Company |
| BLBD | Blue Bird Corporation (NASDAQ) |
| BLCC | Beaver Lake Club Corporation |