| Arts in Education | Academic & Science |
| Academy of Interactive Entertainment | Academic & Science |
| American International Electric | Academic & Science |
| Academy for Individual Excellence | Academic & Science |
| Australian Institute of Energy | Academic & Science |
| Alternatives in Engineering | Academic & Science |
| Academy for Innovation and Entrepreneurship | Academic & Science |
| Authority To Incur Expenditure | Accounts and Finance |
| Aiome | Airport Code |
| Anite | Business |
| A.I. Ltd | Business |
| Accredited Insurance Examiner | Business |
| Adult Industry Entertainers or Entertainment | Business |
| Advancing Improvement In Education | Community |
| Academy International Elementary | Community |
| Adventures In Education | Community |
| Association of Imaging Executives | Community |
| Academy of International Education | Community |
| Alliance for Investor Education | Community |
| Advance Innovative Education | Community |
| Artificial Intelligence Engine | Computing |
| Artificial Intelligence Exploration | Computing |
| Advanced Interior Electronics | Electronics |
| Adriatic Ionian Euroregion | General |
| Ada Integrated Environment | General |
| Alien International Elements | General |
| Automated Installation Entry | General |
| Attention Induced Euphoria | General |
| Attitude is Essential | General |
| Art in Embassies | General |
| Aggregation Induced Emission | General |
| Associazione Italiana Editori | General |
| Argentum Isometric Engine | General |
| Anon in Equestria | General |
| Alea Iacta Est | General |
| Advanced Intelligence Engine | General |
| Acceptance Implementation and Evaluation | General |
| Accelerated Innovation Enablement | General |
| Automotive Interiors Expo | General |
| Automobile Industry Expo | General |
| Attitude is Everything | General |
| Automobile Industry Engineering | General |
| Advanced Image Enhancement | General |
| Automotive Integrated Electronics | General |
| Apollo Intensa Emozione | General |
| Applied Innovation Exchange | General |
| Audi Intelligent Experience | General |
| American Institute of Engineers | Governmental |
| Authority to Initiate Eating | Governmental |
| Army Institute of Education | Indian Ministry of Defence Institution |
| Adirondack Insurance Exchange | Insurance |
| l'Agence Internationale d'Energy | International |
| l'Agence Internationale de l'Energy | International |
| Atheos Image Editor | Softwares |
