sort by Rank | Alpha
| Possible Meanings | Rank |
| Organization to Provide EducatioN | *** |
| Oregon Public Electronic Network | *** |
| Objections to the Pending | *** |
| Organization of Pakistani Entrepreneurs | *** |
| Outstanding Professionals Employment Network | *** |
| Oregon Program Evaluators Network | *** |
| Oasis Pre Employment Network | *** |
| One Parent Exchange and Network | *** |
| Ocean Production Enhancement Network | *** |
| Organization of Pakistani Entrepreneurs of North | *** |
| Official Publication Echo Network | *** |
| Online Procurement for Educational Needs | *** |
| Of Pakistani Entrepreneurs of North | *** |
| Online Professional Education Network | ** |
| Oregon Pesticide Education Network | ** |
| Organisation for Promotion of Environmental Needs | ** |
| Opportunity Parish Ecumenical Neighborhood | ** |
| On Principle Entrepreneur Network | ** |
| Ohio Professional Electronic Network | ** |
| on purpose education now | ** |
| Offender Preparation and Education Network | ** |
| Oriented Process Environment and Notation | ** |
| Organized Parent Education Network | ** |
| Observing Protein and Energy Nutrition | ** |
| Oncology Pharmacy Education Network | ** |
| Online Park Enrollment Network | ** |
| Ordinary People Extraordinary Needs | ** |
| Our Peace Efforts Now | ** |
| Organisation of Pakistani Entrepreneurs of North | ** |
| Organization Promoting Everlasting Neighbors | ** |
| Oceania Player Events Network | ** |
| Oakland Progressive Empowerment Network | ** |
| Organization of Pakistani Enterpreneurs | ** |
| Odor Pathogens and Emissions of Nitrogen | * |
| Oregon Program Evaluation Network | * |
| Orientation by Personal Electronic Navigation | * |
| Outlook Positive Express Network | * |