| BCMS | b.media Content Management System 
| Others |
| BCMS | Bacton Community Middle School
| Others |
| BCMS | Baker County Middle School
| Others |
| BCMS | Bala Cynwyd Middle School
| Others |
| BCMS | Ballenger Creek Middle School
| Others |
| BCMS | Banc Certified Merchant Services
| Others |
| BCMS | Bangsamoro Conflict Monitoring System
| Others |
| BCMS | Battle Creek Middle School
| Others |
| BCMS | Bear Creek Middle School
| Others |
| BCMS | Belle Chasse Middle School
| Others |
| BCMS | Bernard Campbell Middle School
| Others |
| BCMS | Bexar County Medical Society
| Others |
| BCMS | Bible Churchmen's Missionary Society
| Others |
| BCMS | Body Chassis Marriage System
| Others |
| BCMS | Boston Chamber Music Society
| Others |
| BCMS | Boulder County Medical Society
| Others |
| BCMS | Boundary County Middle School
| Others |
| BCMS | Boyd County Middle School
| Others |
| BCMS | Branch Circuit Monitoring System
| Others |
| BCMS | Branchburg Central Middle School
| Others |
| BCMS | Breckinridge County Middle School
| Others |
| BCMS | Bremen Classic Motor Show
| Others |
| BCMS | Briggs Chaney Middle School
| Others |
| BCMS | British Cattle Movement Service
| Others |
| BCMS | Broad Creek Middle School
| Others |
| BCMS | Brownstown Central Middle School
| Others |
| BCMS | Bryan County Middle School
| Others |
| BCMS | Buffalo Community Middle School
| Others |
| BCMS | Burke County Middle School
| Others |
| BCMS | Business and Computer Management Systems
| Others |
| BCMS | Business Continuity Management System
| Others |
| BCMS | Business Continuity Management Systems
| Others |
| BCMS | Business Contracts Management System
| Others |