| Abbreviation | Definition |
|---|---|
| AIMS | Australian International Moving Services |
| AIOC | Anglo Iranian Oil Company |
| AIOC | Azerbaijan International Operating Company |
| AIOC | Azerbiajan International Operating Company |
| AiPB | Italian Private Banking Association |
| AIPC | American Italian Pasta Company |
| AIPM | Australian Institute Of Project Management |
| AIPN | Association Of International Petroleum Negotiators |
| AIRCO | Association of Inflatable Rental Company Operators |
| AIRD | Associates for International Resources and Development |
| AIS | Akita Interpretation Service |
| AIS | Aktiv Industriell Samverkan |
| AIS | American Information Systems |
| AIS | American Internet Services |
| AIS | American Investigative Specialists |
| AIS | Asahi India Solutions |
| AIS | Atlantic Information Services, Inc. |
| AIS | Atlantic Information Services, Incorporated |
| AIS | Australian Industrial Supplies |
| AISC | American International Security Corporation |