| Rank | Abbreviation | Meaning |
|---|
| ***** | OAIC | Office of the Australian Information Commissioner
| |
| **** | OAIC | Office Algérien Interprofessionnel des Céréales
| |
| **** | OAIC | Organisation de l'Aviation Civile Internationale
| |
| **** | OAIC | Organization of African Instituted Churches
| |
| *** | OAIC | Old American Insurance Company
| |
| *** | OAIC | Officers Armament and Instrument Courses
| |
| *** | OAIC | Ordre des Architectes et des Ingénieurs Conseils
| |
| *** | OAIC | Organic Agriculture in Canada
| |
| *** | OAIC | Organisation of African Independent Churches
| |
| ** | OAIC | Oficina Argentina de Implementación Conjunta
| |
| ** | OAIC | Orissa Agro Industries Corporation
| |
| ** | OAIC | Orono Arena Improvement Campaign
| |
| ** | OAIC | Of African Initiated Churches
| |
| ** | OAIC | Ocwen Asset Investment Corporation
| |
| ** | OAIC | Office of Australian Industry Capability
| |
| * | OAIC | Older American Independence Center
| |
| * | OAIC | Ordonnances sur l'Administration et l'Instruction des Cadets
| |
| * | OAIC | Ozone Action Information Clearinghouse
| |
| * | OAIC | Organisation of African Instituted Churches
| |
| * | OAIC | Oxford Analytica International Conference
| |
| * | OAIC | Oregon Automobile Insurance Company
| |
| * | OAIC | Oregon Adult Immunization Coalition
| |
| * | OAIC | Ohio Aerospace Institute Clevel
| |