| BEI | B Educational Interpreter 
| Others |
| BEI | Back End of Innovation
| Others |
| BEI | Backscattered Electron Image
| Others |
| BEI | Backscattered Electron Imaging
| Others |
| BEI | Backward Error Indication
| Others |
| BEI | Badpuppy Enterprises Incorporated
| Others |
| BEI | Banking Environment Initiative
| Others |
| BEI | Baseline Execution Index
| Others |
| BEI | Batavia Enterprises Inc
| Others |
| BEI | Behavioral Event Interview
| Others |
| BEI | Beica, Ethiopia
| Others |
| BEI | Belt Edge Insert
| Others |
| BEI | Bilingual Education Institute
| Others |
| BEI | Biodefense and Emerging Infections
| Others |
| BEI | Biological Exposure Index
| Others |
| BEI | Bloch Enterprises Incorporated
| Others |
| BEI | Board for Evaluation of Interpreters
| Others |
| BEI | Boiler Efficiency Institute
| Others |
| BEI | Break Even Inflation
| Others |
| BEI | Breakerless Electronic Ignition
| Others |
| BEI | Brigham Education Institute
| Others |
| BEI | British Educational Index
| Others |
| BEI | Broadcast Educational Industrial
| Others |
| BEI | Budget Enactment Instruction
| Others |
| BEI | Building Envelope Innovation
| Others |
| BEI | Bursa Efek Indonesia
| Others |
| BEI | Bus Error Interrupt
| Others |
| BEI | Business Education International
| Others |
| BEI | Business Engineering Inc
| Others |
| BEI | Business Enterprise Institute
| Others |
| BEI | Business Entity Identifier
| Others |
| BEI | Business Equity Initiative
| Others |
| BEI | Business Excellence Institute
| Others |