| Abbreviation | Definition |
|---|---|
| BLNG | Brunei Liquefied Natural Gas Sdn Bhd |
| BLP | Bloomberg Limited Partnership |
| BLPL | Logistics S Pte Ltd |
| BLSI | Bioniche Life Sciences Inc |
| BLSI | Boston Life Sciences Inc |
| BLSI | Boston Light and Sound, Inc. |
| BLT | Berkeley Learning Technology |
| BLT | Blues Lobby Team |
| BLT | Bolger Long Travel |
| BLT | Buhler Language Training |
| BLW | Baldwin Locomotive Works |
| BM | Bade Miyaan |
| BM | B'eravon Mukbal |
| BM | Boehringer Mannheim |
| BM | Boston Market |
| BM | Bristol Myers |
| BM | Britannia Metal |
| BM/A | Bowman-Melton / Alta |
| BMA | Boeing Military Airplane Company |
| BMA | Bowman-Melton Associates |