| Abbreviation | Definition |
|---|---|
| AIMBE | American Institute for Medical and Biological Engineering |
| AIME | American Institute of Motion Engineers |
| AIME | Association of Industrial Mathematicians Eindhoven |
| AIME | Association of International Motion Engineers |
| AIMO | All India Manufacturers Organisation |
| AIMR | Association for Investment Management and Research |
| AIMS | Alliance for Improving Manufacturing Success |
| AIMS | Association Integrity Materials Stratigraphy |
| AION | Actresses Of Italian Origin Network |
| AIP | American Institute of Physics |
| AIP | Association of Independent Producers |
| AIP | Association of the Institute of Physicians |
| AIPB | American Institute of Professional Bookkeepers |
| AIPCO | Association of Irish Professional Conference Organizers |
| AIPET | Africa Institute of Petroleum and Energy Technology |
| AIPM | American Institute of Preventive Medicine |
| AIPMM | Association of International Product Marketing and Management |
| AIPN | Adult Injury Prevention Network |
| AIR | Alternative Information Resources |
| AIR | Artists In Recovery |