| Abbreviation | Definition |
|---|---|
| PAMS | Pennsylvania Association of Medical Suppliers |
| PAPA | Peninsula Advertising Photographers Association |
| PARC | The Pinellas Association For Retarded Children |
| PASA | Parachute Association Of South Africa |
| PASA | Pilipino American Sports Association |
| PASA | Police Association Of South Australia |
| PASA | Polygraph Association of South Africa |
| PASA | Professional Air Sports Association |
| PASA | Publishers Association Of South Africa |
| PASE | Professional Association Of Santas Elves |
| PASS | Professional Association of SQL Server |
| PAT | Portland Association of Teachers |
| PATA | Pacific Asia Travel Association |
| PBA | Pennsylvania Builders Association |
| PBBA | Pennsylvania Business Brokers Association |
| PBBA | Permian Basin Builders Association |
| PBBC | Palestine British Business Council |
| PBE | Pittsburgh Builders Exchange |
| PBI | Pennsylvania Bar Institute |
| PBIS | Professional Background Information Services |