| Acronym | Definition |
|---|
| BMCS | Bristol Muslim Cultural Society (UK) |
| BMCS | Building Management Control System |
| BMCS | Senior Chief Boatswain's Mate (Naval Rating) |
| BMCS | Baptist Medical Center South (Montgomery, Alabama) |
| BMCS | Blue Mountains Conservation Society (Wentworth Falls, NSW, Australia) |
| BMCS | Bharati Management Consultancy Services (India) |
| BMCS | Bureau of Motor Carriers Safety |
| BMCS | Belegarth Medieval Combat Society (live action battlegame involving foam boffers) |
| BMCS | Broadband Multimedia Communications System |
| BMCS | Branch Movement Control System |
| BMCS | Bulk Mounted Computer Station |
| BMCS | Backup Mission Control Station (GPS) |
| BMCS | Budget Management & Credit Solutions LLC (Gardner, KS) |
| BMCS | Blue Mountain Christian School |