sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Organisational Performance Management System | ** |
| Oxford Pro Musica Singers | ** |
| Officer Professional Management System | ** |
| Online Project Management System | ** |
| Orthodontic Practice Management Software | ** |
| Officer Personnel Management Systems | * |
| ORTHOWARE Practice Management Software | * |
| Office of Program Management and Support | * |