| PEMA | Parallel External Memory Algorithm 
| Others |
| PEMA | Pediatric Emergency Medicine Associates
| Others |
| PEMA | Pennsylvania Emergency Management Agency
| Others |
| PEMA | Petroleum Education and Marketing Act
| Others |
| PEMA | Piedmont Emergency Medicine Associates
| Others |
| PEMA | Port Equipment Manufacturers Association
| Others |
| PEMA | Process Equipment Manufacturers Association
| Others |
| PEMA | Process Equipment Manufacturers' Association
| Others |
| PEMA | Professional Environmental Marketing Association
| Others |
| PEMA | Programmatic Engineering Measurement and Analysis
| Others |
| PEMA | Providence Emergency Management Agency
| Others |
| PEMA | Public Equipment Managers' Association
| Others |