| Abbreviation | Definition |
|---|---|
| BSSI | Business Systems Service, Inc. |
| BSSI | Business Systems Solutions, Inc. |
| BST | Behavioral Science Technology |
| BSTC | Buford Saddle and Tack Company |
| BSTI | Brownfield Science and Technology Inc |
| BSTL | B2B Software Technologies, LTD. |
| BSTL | Baba Strip Tubes, LTD. |
| BSTL | Bangladesh System Technology Ltd |
| BSTR | ???Better Sound Through Research??? |
| BSTR | Better Sound Through Research |
| BSTR | Better Sound Through Research |
| BSTRC | Belarusian State Television and Radio Company |
| BSU | Business Support Unit |
| BSWC | Bihar State Warehousing Corporation |
| BT | Ben Tippmann |
| BT | Breakthough |
| BT | British Telecom |
| BT | British Telecommunications |
| BT | Brooklyn Transit |
| BT | Brooklyn Trucking |