| Academic Support and Access Center | Academic & Science |
| Academic Standards and Advising Committee | Academic & Science |
| Academic Support Achievement Center | Academic & Science |
| Academic Support and Achievement Center | Academic & Science |
| American Society Of Assistant Cinematographers | Academic & Science |
| Amsterdamse Studenten Alpen Club | Academic & Science |
| Applied Science Accreditation Commission | Academic & Science |
| Advanced Spacecraft Architectural Concepts | Academic & Science |
| Administrative Sciences Association of Canada | Academic & Science |
| Academic Success and Advising Center | Academic & Science |
| American Staffing Assurance Company | Business |
| Airport Security Advisory Committee | Business |
| Arts and Sciences Advisory Committee | Business |
| Asian Standards Advisory Committee | Business |
| Animal Shelter Advisory Committee | Business |
| Applied Science Advisory Committee | Business |
| Accounting Standards Authority of Canada | Business |
| Allied Signal Aerospace Company | Business |
| Administrative Systems Advisory Committee | Business |
| Alma Scientific Advisory Committee | Business |
| Airspace Safety Analysis Corporation | Business |
| Applied Sciences Advisory Committee | Business |
| Aging Services Advisory Council | Business |
| Axis System for Auditing and Certification | Certifications |
| Absecon Social Athletic Club | Community |
| American Subcontractors Association of the Carolinas | Community |
| American Saddlebred Association of the Carolinas | Community |
| Association of Surf Angling Clubs | Community |
| After School Activities Club | Community |
| Agawam School Age Childcare | Community |
| After School Adventure Camp | Community |
| Acellus School Administrator Conference | Community |
| American Subcontractors Association of Colorado | Community |
| Association for Sustainable Agricultural Certification | Community |
| Alam Sutera Aeromodeling Club | Community |
| Alliance for the Study of Adoption and Culture | Community |
| Application Security Attack Component | Computing |
| American Society of Agricultural Consultants | General |
| Airborne Surveillance and Area Control | General |
| Aviation Security Advisory Committee | General |
| Animal Science Advising Center | General |
| Appalachian Substance Abuse Coalition | General |
| Aboyne Sub Aqua Club | General |
| Amsterdam Sexual Abuse Case | General |
| Anti Submarine Air Controller | General |
| Association of Scottish Automobile Constructors | General |
| Association Sportive Automobile Club | General |
| Alcohol and Substance Abuse Center | General |
| Apprenticed Substance Abuse Counselor | General |
| Air Surveillance And Control | General |
| Any Service Any Card | General |
| Acidified Serum Acidified Complement | General |
| Airborne Surveillance And Control | General |
| Alcohol and Substance Abuse Council | Governmental |
| Application Security Advisory Council | Governmental |
| Area Substance Abuse Council | Governmental |
| Assistant Special Agent in Charge | Governmental |
| Asian Studies Asian Continent | International |
| Asthma Sinus Allergy Centers | Medical |
| Autism Spectrum Assessment Clinic | Medical |
| As Soon As Convenient | Messaging |
| All Source Analysis Center | Military and Defence |
| Automated System for Army Commissaries | Military and Defence |
| Armed Services Assistance Centre | Military and Defence |
| Alaska Safety Advisory Council | Regional |
| Arkansas State Athletic Commission's | Sports |
| Arkansas State Athletic Commission | Sports |
| Adaptive Specialist Accessories Carrier | Sports |
| Absecon Social and Athletic Club | Sports |
