| Rank | Abbreviation | Meaning |
|---|
| ***** | BECS | Blood Establishment Computer System
| |
| **** | BECS | Backlog Elimination Centers
| |
| **** | BECS | Bachelor of Engineering in Computer Science
| |
| **** | BECS | brain microvessel endothelial cells
| |
| **** | BECS | Barr Enterprise Communications Server
| |
| **** | BECS | Business English Communication Skills
| |
| *** | BECS | bovine aortic endothelial cells
| |
| *** | BECS | Business English Consulting Service
| |
| *** | BECS | Bank Electronic Clearing System
| |
| *** | BECS | Boeing Employees Computing Society
| |
| *** | BECS | Bulk Electronic Clearing System
| |
| *** | BECS | Battlefield Electronic CEOI System
| |
| *** | BECS | Battlefield Electronic Communications System
| |
| ** | BECS | brain endothelial cells
| |
| ** | BECS | Building Energy Codes and Standards
| |
| ** | BECS | Blood vascular endothelial cells
| |
| ** | BECS | Business Excellence and Customer Satisfaction
| |
| ** | BECS | Bureau of Education Statistics
| |
| ** | BECS | Bureau of Employer and Career Services
| |
| ** | BECS | Bureau of Early Childhood Services
| |
| ** | BECS | Bureau of Employment and Career Services
| |
| ** | BECS | Bio Energy to Carbon Sequestration
| |
| ** | BECS | Biomedical Engineering and Computational Science
| |
| * | BECS | Blood ethanol concentrations
| |
| * | BECS | Broadband Ethernet Control System
| |