What does BSA stand for?

Abinomn - Language code (ETLW)

Annual of the British School at Athens - A publication (ABAR)

Baccalaureat en Sciences Administratives - Canada (DD)

Bachelier en Sciences Administratives - Bachelor in Administrative Sciences - French

Bachelor of Agricultural Science (NADA)

Bachelor of Science in Agriculture

Bachelor of Scientific Agriculture

Backbone Service Area (SAUS)

Backcountry Skiers Alliance - Rocky Mountains (EARSL)

Bankcard Services Association (NTPA)

Bank Secrecy Act (TDOB)

Bank Stationers Association - Later, FSA (EA)

Barrack Store Accountant (SAUS)

Base Support Agreement (MLEX)

Base Support Area - Military

Basic Service Arrangement

Basic Service Arrangements

Basic Serving Arrangements (SAUS)

Basic Standardization Agreement - Military

Basic Stock Allowance - Military

Battlefield System Architecture (MCD)

Beach Support Area (CINC)

Bearing Specialists Association (EA)

Beef Serum Albumin - Medicine (MEDA)

Benzenesulfonic Acid - Organic chemistry

Besa - NCIC firearms make code (NCIC)

Betonvereniging van Suidelike Africa - Concrete Society of South Africa (EAIO)

Biaxial Scan Assembly - Climatology (CERES)

Bible Sabbath Association (EA)

Bible-Science Association (EA)

Bibliographical Society of America (EA)

Big Sister Association (SAUO)

Bimetal Steel-Aluminum (OA)

Binary Switching Algebra (SAUS)

Binary Synchronous Adapter (SAUS)

Biofeedback Society of America - Later, AAPB (EA)

Biological Sequence Analysis Databases (MHID)

Birmingham Small Arms, Inc. (MCD)

Bismuth-Sulfite Agar - Medicine (MAE)

Bis(trimethylsilyl)acetamide - Organic chemistry

Bistrymethyllacetamide (SAUS)

BIT - Binary Digit Sync Acquisition - Computer science

Black Stuntmen's Association (EA)

Blinded Soldiers Association (SAUO)

Blind Service Association (EA)

Blue Shield Association - Later, BCBSA (EA)

Boarding School Allowance - Government scholarship - British

Boarding Schools Association (AIE)

Board of Scientific Affairs

Body Sensor Assembly - Military

Body Surface Area

Bohr-Sommerfeld Atom

Bonsai Society of Australia

Boresight Axis

Borrows, S. A., Detroit, MI - STAC

Bosaso - Somalia - Airport symbol (OAG)

Boston Shipping Association (EA)

Boston Society of Architects (SAUO)

Botanical Society of America (EA)

Boundary-Spanning Activity (PDAA)

Bovine Serum Albumin - Immunology

Bowel Signs Active (SAUS)

Bowel Sound Active (SAUS)

Bowel Sounds Audible - Medicine (MELL)

Boy Scouts of America (EA)

Brainstem Audiometry - Medicine (MELL)

Brecht Society of America - Defunct (EA)

Brief Stop for Ammunition Lift - Military (NVT)

Brigade Support Area - Military (AABC)

Brisa International - Toronto Stock Exchange symbol

British School at Athens (SAUS)

British School of Archaeology in Athens (SAUO)

British School of Archaeology in Jerusalem

British School of Athens (SAUO)

British Shipbreakers' Association (BI)

British Sign Association (DBA)

British Skateboard Association (SAUO)

British Social Attitudes - Survey

British Society of Aesthetics

British Society of Audiology

- The British Sociological Association

British South Africa

British Speleological Association (BI)

British Stammering Association (NRGU)

British Standards Association

British Sunbathing Association (SAUO)

British Surfing Association

Broad-Spectrum Antibiotic - Medicine (MELL)

Brookhaven Science Associates - Nonprofit partnership

Brotherhood of Saint Andrew (EA)

Bruckner Society of America (EA)

BSA Fiberglass, Corryton, TN - Manufacturer code for watercraft hull identification number (USCG)

Budgerigar Society of Australia

Budget Subactivity - Level below a budget activity in the appropriation structure (MLEX)

Building Services Authority - Queensland, Australia

Building Societies Act - British

Building Societies Association - British

Bureau of Supplies and Accounts - Later, NSUPSC - Navy

Burma Star Association (WDAA)

Business Software Alliance - Formerly, Business Software Association (EA)

Business Systems Association (NTPA)

Byrd - Antarctica - Seismograph station code, US Geological Survey - Closed (SEIS)

Canadian Burn Survivors Association (EAIO)

Ecole d'Aviation Civile - Belgium - ICAO designator (FAAC)

Salmo Public Library, British Columbia - Library symbol - National Library of Canada (NLC)