| Academic Skills Center | Academic & Science |
| American Society of Criminology | Academic & Science |
| Alumni Schools Committee | Academic & Science |
| American Society of Composites | Academic & Science |
| American Society for Composites | Academic & Science |
| Academic Support Center | Academic & Science |
| Administrative Support Center | Academic & Science |
| Academic Success Center | Academic & Science |
| Academic Success Center's | Academic & Science |
| Asian Student Coalition | Academic & Science |
| African Studies Centre | Academic & Science |
| Anglican Schools Commission | Academic & Science |
| Almost Set Cover | Academic & Science |
| Agnes Scott College | Academic & Science |
| Asia Student Carnival | Academic & Science |
| Acid Scratch Competition | Academic & Science |
| Acoustic Seabed Classification | Academic & Science |
| American Society for Cybernetics | Academic & Science |
| Atmospheric Stability Class | Academic & Science |
| Accounting Standards Committee | Accounts and Finance |
| Accounting Skills Certificate | Accounts and Finance |
| Ascension | Airport Code |
| Association des Scouts du Canada | Associations & Organizations |
| Asian Socialist Conference | Associations & Organizations |
| Ardmore Shipping Corp | Business |
| Advertising Standards Canada | Business |
| Acoustic Sciences Corporation | Business |
| Asos | Business |
| AIC Global Financial Split Corporation | Business |
| Auto Services Company | Business |
| Academic Subspecialist Careers | Business |
| Ardmore Shipping Corporation | Business |
| Auxiliary Services Corporation | Business |
| American Servicing Company | Business |
| Actuarial Systems Corporation | Business |
| American Sunroof Corporation | Business |
| Accounting Standards Codification | Business |
| Associated Specialty Contractors | Business |
| Adhesive and Sealant Council | Business |
| American Signal Corporation | Business |
| American Softworks Corporation | Business |
| Airflow Sciences Corporation | Business |
| Advanced Security Concepts | Business |
| American Service Center | Business |
| Actual Space Cost | Business |
| Acoustic Science Corporation | Business |
| Assessment Systems Corporation | Business |
| Auxiliary Service Corporation | Business |
| Accounting Solutions Consulting | Business |
| Assigned Subcontractor | Business |
| Associated Student Community | Community |
| Agriculture Supported Communities | Community |
| Association of Speakers Clubs | Community |
| American Senior Communities | Community |
| American Southwest Conference | Community |
| American Satellite Company | Community |
| American Society of Cinematographers | Community |
| Applied Superconductivity Conference | Community |
| Asian Science Camp | Community |
| Aspergers Syndrome Coalition | Community |
| Adventure Science Center | Community |
| Administrative Segregation Committee | Community |
| Area Service Committee | Community |
| Adventurers and Scientists for Conservation | Community |
| Additional Sense Code | Computer Assembly Language |
| Accessory Switch Controller | Computer Hardware |
| Azure Security Center | Computing |
| Australia Singapore Cable | Computing |
| Accredited Standards Committee | Computing |
| Advanced Simulation and Computing | Computing |
| Advanced Scientific Computer | Computing |
| American Standard Code | Computing |
| A Simple Computer | Computing |
| Authorised Support Center | Computing |
| Automatic Sizing and Centering | Computing |
| Active Setup Controls | Computing |
| Ascender | Computing |
| Authorised Service Center | Computing |
| Adjustable Speed Control | Computing |
| Anti Spyware Coalition | Computing |
| Abstract Syntax Checker | Computing |
| Active Service Component | Computing |
| Action Script Communication | Computing |
| Advanced Smart Cache | Computing |
| Auditor Security Collection | Computing |
| Automatic Sequence Control | Computing |
| Asynchronous Serial Channel | Computing |
| Access Service Class | Computing |
| Apple Sound Chip | Computing |
| Apple Solutions Consultants | Computing |
| Application Solutions Center | Computing |
| Administrative Service Contract | Computing |
| Accredited Sales Consultant | Computing |
| Anti Spam Coalition | Computing |
| Adpcm (adaptive Differential Pulse Code Modulation) Stereo C | Electronics |
| Armored Encrypted File (pretty Good Privacy) | File Type |
| Ascii Text | File Type |
| Grob Graphic Object Bitmap Graphics Black and White Ascii ( Hp-48sx Calculator) | File Type |
| Air Suspension Coil | General |
| Automatic Slide Control | General |
| Antique Studebaker Club | General |
| Adaptive Suspension Control | General |
| Automatic Suspension Control | General |
| Arizona Subaru Club | General |
| Advanced Sports Car | General |
| American Stock Car | General |
| Automated Sales Center | General |
| Audi Service Center | General |
| Automotive Service Center | General |
| Autobahn Service Center | General |
| Automotive Supply Chain | General |
| Auto Sales Consultant | General |
| Automotive Skills Center | General |
| Automotive Simulation Center | General |
| Ammonia Slip Catalyst | General |
| Absolutely Super Cute | General |
| Automotive Synchronization Center | General |
| Opel Ascona | General |
| Auto Storiche Cremona | General |
| Alpina Society Indonesia | General |
| Active Shift Control | General |
| Acceleration Skid Control | General |
| Australian Sprintcar Championship | General |
| American Sunroof Company | General |
| Australian Speedcar Championship | General |
| Anti Slip Control | General |
| Achieva Sc | General |
| Aquila Sports Cars | General |
| American Specialty Cars | General |
| Authorized Service Center | General |
| Associated Schools of Construction | General |
| Application Specific Controller | General |
| Automotive Safety Centre | General |
| Active Steering Control | General |
| Auto Sound Calibration | General |
| Active Stability Control | General |
| Active Skid Control | General |
| Adaptive Shift Control | General |
| American Shakespeare Center | General |
| All Season Traction Control | General |
| Automatic Speed Control | General |
| Advanced Sport Control | General |
| Adjusted Service Commitment | General |
| Adjustable Steering Column | General |
| American Solar Challenge | General |
| Achieve Speaking Confidence | General |
| Anti Slide Control | General |
| American Sportscar Championship | General |
| Automatic Stability Control | General |
| Alabama Supercomputer Center | General |
| Amature Stock Championship | General |
| Achromatic Super Contrast | General |
| Authorised Service Centre | General |
| All Small Core | General |
| Active Suspension Controller | General |
| Active Signal Correction | General |
| Advanced Safety Car | General |
| Advanced Sensors Calibration | General |
| Automotive Safety Council | General |
| Air Suspension Conversion Kit | General |
| Active Sound Control | General |
| Active Sway Control | General |
| Auto Sport Club | General |
| Accounting Service Center | General |
| Automotive Styling Centre | General |
| Automotive Service Councils | General |
| A Sneezing Cow | General |
| All Side Connection | General |
| Audio Sound Concepts | General |
| Atypical Squamous Cells | General |
| Asphalt Surface Course | General |
| Advice And Support Centre | General |
| Ascend | General |
| Application Support Center | General |
| Always Something Changing | General |
| Administrator Skills Course | General |
| Advanced Solar Control | General |
| Automotive Sector Council | General |
| Arts Science Council | Governmental |
| Armed Services Committe | Governmental |
| Office of System Capacity and Requirements | Governmental |
| Area Security Coordinator | Governmental |
| Assistant State Commissioner | Governmental |
| Australian Sports Commission | Governmental |
| Agence spatiale canadienne | Governmental |
| Australian Submarine Corporation | Governmental |
| Advertising Standards Council | Governmental |
| Adaptive Speed Control | Governmental |
| Actuated Signal Control | Governmental |
| Always Stealing Cash | Governmental |
| Aviation Support Equipment Technician Chief Petty Officer | Governmental |
| American Security Council | Governmental |
| Aquaculture Stewardship Council | Governmental |
| Art Sex Crime | Governmental |
| Ambulatory Surgery Center | Healthcare |
| Alianza Socialista de Castile | International |
| Asociación Socialdemócrata Canaria | International |
| Asamblea de la Sociedad Civil | International |
| Arhivele Statului Cluj | International |
| Always Stay Cool | Internet |
| American Society of Cytopathology | Medical |
| Advancing Surgical Care | Medical |
| Autistic Spectrum Condition | Medical |
| Autism Spectrum Conditions | Medical |
| Ascending | Medical |
| Autism Sequencing Consortium | Medical |
| Action for Sick Children | Medical |
| Active Symptom Control | Medical |
| Acute Suppurative Cholangitis | Medical |
| adenosquamous carcinoma | Medical |
| Anterior Subcapsular Cataract | Medical |
| Antibody-Secreting Cell | Medical |
| arylsulphatase C | Medical |
| Asthma Symptom Checklist | Medical |
| asymptomatic carrier | Medical |
| Australian Society of Cytology | Medical |
| Autoimmune Sclerosing Cholangitis | Medical |
| Ambulatory Surgical Centers | Medical |
| Altered State of Consciousness | Medical |
| Ambulatory Surgical Center | Medical |
| Anterior Subcapsular | Medical |
| Antibody Serum Conversion | Medical |
| Academic Surgical Congress | Medical |
| Ambulatory Surgery Centers | Medical |
| Autism Spectrum Consultancy | Medical |
| Alt Startrek Creative | Messaging |
| Alt Smokers Cigars | Messaging |
| Airline Services Components | Messaging |
| Acting Service Chief | Military and Defence |
| Aeronautical Systems Center | Military and Defence |
| Air Systems Command | Military and Defence |
| Army Sustainment Command | Military and Defence |
| Assign Switch Classmark | Military and Defence |
| Adn (automatic Digital Network) Switching Center | Military and Defence |
| Air Standards Coordinating Committee | Military and Defence |
| American Standards Committee | Military and Defence |
| Area Signal Center | Military and Defence |
| Autodin Switching Center | Military and Defence |
| Automatic Switching Center | Military and Defence |
| Atccs Steering Committee | Military and Defence |
| Army Service Corps | Military and Defence |
| Aeronautical System Center | Military and Defence |
| Appointment Slot Consumed | Military and Defence |
| Applications Strategy Council (internet2) | Networking |
| African Studies Center | Regional |
| Afrika-StudieCentrum (African Studies Centre) | Regional |
| Advanced Systemcare | Softwares |
| Albion Soccer Club | Sports |
| Arizona Sports Complex | Sports |
| Arizona Ski Council | Sports |
| Anti Spawn Camping | Sports |
| Aero Sports Connection | Sports |
| American Sports Centers | Sports |
| Alberta Securities Commission | Stock Exchange |
| Ashchurch for Tewkesbury | Transport & Travel |
| Aviation Safety Council | Transport & Travel |
