sort by Rank | Alpha
| Possible Meanings | Rank |
| Outbound Call Center Agents | **** |
| Office of Conservation and Community Affairs | *** |
| Of Clear Cell Adenocarcinoma | *** |
| Otsego County Conservation Association | *** |
| Ouder Commissie Colegio Arubano | ** |
| Orthodox Catholic Church of the Americas | ** |
| Oxford Centre for Christian Apologetics | ** |
| Oak Cliff Coalition for the Arts | ** |
| Optimising Cancer Care in Australia | ** |
| Ottawa Carleton Council on AIDS | ** |
| Ontario Consumer Credit Assistance | ** |
| Old Colorado City Associates | ** |
| Oregon Community Colleges Association | ** |
| Ocean City Captains Association | ** |
| Organised Crime Control Act | ** |
| Ocean Cargo Clearance Authority | ** |
| Orleans County Citizen Advocacy | ** |
| Office of College Career Awareness | ** |
| Ohio Coordinating Center for ACT | ** |
| Ottawa Child Care Association | ** |
| Ovarian Clear Cell Adenocarcinomas | ** |
| Office of Commissioned Corps Affairs | ** |
| Oregon Coast Cultural Alliance | ** |
| Office of College and Career Awareness | ** |
| Office of the Chief Clinical Advisor | ** |
| Oklahoma Child Care Association | ** |
| Orange County Concierge Association | ** |
| Old Catholic Church of Antioch | ** |
| Omaha Chinese Culture Association | ** |
| Oromo Canadian Community Association | ** |
| Okanagan Caller Cuer Association | ** |
| Old Central City Association | * |
| Old Coopers Coborn Association | * |
| Office of Chief Clinical Advisor | * |
| Oil and Colour Chemist Association | * |
| Omaha Clay Courts Association | * |
| One City Center Associates | * |
| Orlando Celebrity Concert Association | * |
| official christian comedy association | * |
| Oil and Color Chemists Association | * |
| Ontario Conservative Campus Association | * |
| Officier Controleur de la Circulation ATrienne | * |