sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Online Auction Industry | **** |
| Order of Architects | **** |
| Open Archive Initiative | **** |
| Oil Analyzers Inc | **** |
| Open Access Initiative | **** |
| Older Adult Institute | **** |
| Otsuka America Inc | *** |
| Original Acoustic Instruments | *** |
| Open Air Interface | *** |
| Olympus America Inc | *** |
| Open Application Interface | *** |
| Olymp Award Index | *** |
| Ocean Air International | *** |
| Other Asia and Islands | *** |
| Ocean Arks International | *** |
| Open Archives Initiatives | *** |
| Open Archives Iniciative | *** |
| Organization of American | *** |
| Open Archive Initiatives | *** |
| Open Access Institutional | *** |
| Opticians Association of Illinois | *** |
| Open Appliance Initiative | *** |
| Overseas Assignment Inventory | *** |
| Olympic Arms Inc | *** |
| Omni Air International | *** |
| Otis Associates Inc | *** |
| Orthopaedic and Arthritic Institute | *** |
| Optical Access International | ** |
| obstructive apnea index | ** |
| obstructive apnoea index | ** |
| occupation activity index | ** |
| oleic acid injury | ** |
| onset-admission interval | ** |
| omega alpha int | ** |
| Oracle Academy Initiative | ** |
| Open Archives Inititiative | ** |
| Office for the Associated Institutions | ** |
| Ordo Algolis Interstellaris | ** |
| Opticians Association of Iowa | ** |
| Ohio Aerospace Internship | ** |
| Open Archive Initative | ** |
| Ornithological Association IXOBRYCHUS | ** |
| Ocean Associates Inc | ** |
| Ohio Archaeological Inventory | ** |
| Outside Air Induction | ** |
| Orr Associates Inc | ** |
| Oklahoma Arts Institute | ** |
| Open Archives Initiave | ** |
| Occupation Analysis Inventory | ** |
| Open Architecture Interfaces | ** |
| Office of Audit and Inspection | ** |
| Ogle Airport Incorporated | ** |
| Oxygen Administrator Instructor | ** |
| Obat Asli Indonesia | ** |
| Ocean Atlantic International | ** |
| Ozark Action Inc | ** |
| Ostrove Associates Inc | ** |
| Open Archives Iniziative | * |
| Open Archives Interoperability | * |
| Optrex America Inc | * |
| Optical Associates Incorporated | * |
| Opticians Association of Indiana | * |
| Outdoor Adventures India | * |
| Over an Arbitrary | * |
| Office of Applied Innovation | * |
| Ocean Atmosphere Interactions | * |
| Other Aviation Information | * |
| Oakdale An Information | * |
| Oakland An Internet | * |
| Oasis Aviation Incorporated | * |
| Office of Academic Instruction | * |
| Office of Acquisition Integrity | * |
| Office of Airline Information | * |
| Olesky Associates Incorporated | * |
| operater Audio Interfaces | * |
| Operators And Individuals | * |
| Orenburg Administrative Index | * |