| Abbreviation | Definition |
|---|---|
| BSLC | Bracknell Sport and Leisure Centre |
| BSM | Bernhard Schulte shipManagement |
| BSMC | Brigade Support Medical Company |
| BSMG | Brokers Service Marketing Group |
| BSMI | Building Service Management Incorporated |
| BSMJ | Borneo Surya Mining Jaya |
| BSN | Baloncesto Superior Nacional |
| BSNA | Bharat Sanchar Nigam, Limited |
| BSNC | Bering Straits Native Corp |
| BSNC | Bering Straits Native Corporation |
| BSNI | Black Sheep Networks Inc |
| BSNL | Bharat Sanchar Nigam Limited |
| BSNL | Bharat Sanchar Nigam Ltd |
| BSNL | Bharat Sanchar Nigam, Limited |
| BSO | Boston Systems Office |
| BSOC | Bell Systems Operating Company |
| BSP | Biometric Service Provider |
| BSP | Blue Sky Plumbing |
| BSP | Bob Shaw Photography |
| BSP | Business Service Provider |