| Acid Insoluble Lignin | Academic & Science |
| Ailigandi | Airport Code |
| Army Institute of Law | Body of Indian Ministry of Defence |
| Antarctic Infrastructure and Logistics | Business |
| Airborne Instrument Laboratories | Business |
| Application Interface Language | Chemistry |
| Alcohol Induced Literature | Community |
| Adventures in Learning | Community |
| Audio Input Left | Computing |
| Audio Interface Library | Computing |
| Association pour Une Informatique Libre | Computing |
| Advanced Intercrossed Line | General |
| Additional Information Line | General |
| Adhunik Industries Limited | General |
| Anti Internment League | General |
| Advanced Intercross Lines | General |
| Aesthetic Interpretive Literary | General |
| Analysis Information | General |
| Automotive Industries Limited | General |
| Abnormal Indivisable Loads | General |
| Alcohol Ignition Locks | General |
| Africar International Limited | General |
| Active Interlock | General |
| Automotive Image Library | General |
| Automotive Intelligence Lab | General |
| Avian Insect Liquidator | General |
| American Income Life | General |
| Assistance for Independent Living | General |
| Amateur Inline League | General |
| Attachment and Invasion Locus | General |
| Aileron | General |
| Address In Last | General |
| AIL is listed | General |
| Atlantic Industries Limited | General |
| Artificial Intelligence And Law | Governmental |
| Additional Information Letter | Governmental |
| Afghan Institute of Learning | Governmental |
| Ashes International League | International |
| AVPOL International LLC | International |
| Acute Infectious Lymphocytosis | Medical |
| Angiocentric Immunoproliferative Lesion | Medical |
| angioimmunoblastic lymphadenopathy | Medical |
| Artificial Intelligence Lab–MIT | Medical |
| Advanced Instrumentation Laboratory | Medical |
| Angewandte Innovation Laboratory | Medical |
| Action Item List | Military and Defence |
| Alstom India Limited | NSE Company Symbol |