sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Administrative Information Systems Office | *** |
| Advanced Intelligence Solutions Operation | *** |
| Associazione Italiana Societa' di Outplacement | *** |
| acute idiopathic scrotal oedema | ** |
| Associazione Italiana Studenti Odontoiatria | ** |
| Associazione Italiana Studenti in Odontoiatria | ** |
| African Internationalist Student Organization | ** |
| Australian Intelligence Security Organisation | ** |
| Alberta Independent System Operator | ** |
| Arab Internet Standards Organisation | ** |
| Association of Inland Shipping Operators | ** |
| All India Students Organisation | ** |
| Agency Information Security Officer | * |
| Associazione Interprofessionale Semi Oleosi | * |
| American Indian Student Organization | * |
| Automated Information Security Official | * |