sort by Rank | Alpha
| Possible Meanings | Rank |
| Of Injured Employee Counsel | *** |
| Oman International Exhibition Centre | ** |
| Oil Industrial Engineering and Construction | ** |
| Oklahoma Industrial Energy Consumers | ** |
| Oil Industry Environment Committee | ** |
| Organization for International Economic Cooperation | ** |
| Offshore Installations Engineering and Construction | * |
| Oregon Indian Education Council | * |
| Oil Industries and Engineering Company | * |