sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Public Service of Ontario Act | ** |
| Prescribed Statement of Actuarial | ** |
| Pontiac School of the Arts | ** |
| Pecan Street Owners Association | ** |
| PROFESSIONAL SURVEYORS OCCUPATIONAL ASSOCIATION | ** |
| Public Safety Officers Association | ** |
| Permanent Show Organisers Association | ** |
| Process Specific Opportunity Assessment | ** |
| Portrait Society of America | ** |
| Prim Sisters of America | * |
| Paleontological Society of Austin | * |
| Pinellas Soccer Officials Association | * |
| Portable Socket Outlet Assemblies | * |
| Process Specific Opportunity Assessments | * |
| Preliminary Stage of Analysis | * |