| Alabama Society Of Physician Assistants | Academic & Science |
| Aotearoa Student Press Association | Academic & Science |
| American Society of Public Administratoon | Academic & Science |
| American Society for Public Administration | Academic & Science |
| Arkansas School Psychology Association | Academic & Science |
| American Society for Personnel Administration | Academic & Science |
| Arizona Society of Practicing Accountants | Academic & Science |
| Associate of The Society of Practising Accountants | Accounts and Finance |
| American Society of Pension Actuaries | Business |
| Alabama Scholastic Press Association | Business |
| Automotive Specialty Products Alliance | Business |
| Association of Specialized Professional Accreditors | Community |
| American Shrimp Processors Association | Community |
| Adventist Student Personnel Association | Community |
| Association of Structural Policy Analysis | Community |
| American Screen Printing Association | Community |
| American School Parents Association | Community |
| Arizona State Physicians Association | Community |
| Association of Specialized and Professional Accreditors | Community |
| American Salvage Pool Association | Community |
| Association of South Pacific Airlines | Community |
| Authentication Solution Providers Association | Community |
| Arizona State Physician Association | Community |
| Another Stupid Post Announcement | General |
| All Star Polar Align | General |
| Allocation de Solidarité aux Personnes Agées | General |
| Animals Scientific Procedures Act | General |
| Antarctic Specially Protected Area | General |
| Asychronous and Synchonous Processing Array | General |
| Association pour la Sauvegarde du Patrimoine Automobile | General |
| Asociacion del Automovil del Principado de Asturias | General |
| Assistant Secretary for Public Affairs | General |
| Application Service Provider Aggregator | General |
| Aircraft Service Period Adjustment | General |
| American Samoa Power Authority | Governmental |
| Areas of Strategic Planning and Action | Governmental |
| American Service-members' Protection Act | Governmental |
| Aluminium Security Protection Agreement | Governmental |
| Alabama State Port Authority | Governmental |
| Anesthesia Services P A | Medical |
| Alaska School Psychologists Association | Regional |
