sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Access to Improved Sanitation Facilities | **** |
| Algerian Islamic Salvation Front | *** |
| Associazione Italiana Studenti Farmacia | *** |
| antibody initiation suppressor factor | ** |
| Art Institute of San Francisco | ** |
| Associazione Italiana Studio Fegato | ** |
| America Institute for Foreign | ** |
| Accademia Italiana Scienze Forestali | ** |
| Acme Intrusion Signature Format | ** |
| Australian Insurance Staffs Federation | ** |
| Asymmetric Incremental Sheet Forming | ** |
| Australasian Institute of Surface Finishing | ** |
| Associazione Italiana Scout Filatelia | ** |
| All India Student Federation | * |
| American Institute of Saddle Fitting | * |
| American Institute for Foreign | * |
| Amnesty International Section Fran | * |
| Asian International Silk Fair | * |
| Assam Industrial Security Force | * |
| Aerial Images San Francisco | * |