| Phoenix Student Interns Program | Academic & Science |
| Penn Student Insurance Plan | Academic & Science |
| Paid Student Internship Program | Academic & Science |
| Public Sector Investment Programme | Business |
| Podlaskiego Systemu Informacji Przestrzennej | Business |
| Profit Sharing Investment Plan | Business |
| Public Service Intern Program | Community |
| Program and System Information Protocol | Computing |
| Private Sector Initiative Program | Computing |
| Private Sector Integration Program | General |
| Public Service Internship Program | General |
| Philadelphia Service Immersion Program | General |
| Public Servants Integrity Programme | General |
| Programme Specification Information Protocol | General |
| Professor Salary Incentive Program | General |
| Patient Safety Innovations Program | General |
| Power Supply Improvement Plan | General |
| Princeton Startup Immersion Program | General |
| Program System and Information Protocol | General |
| Power Supply In Package | General |
| Pittsburgh Shakespeare In the Parks | General |
| Program System Information Protocol | General |
| Periodic Smoke Inspection Fleet Program | General |
| Periodic Smoke Inspection Program | Governmental |
| Program for Strategic Industrial Projects | Governmental |
| Productivity and Sustainability Improvement Planning | Governmental |
| Puget Sound Institute of Pathology | Medical |
| Patient Safety through Intelligent Procedures | Medical |
| Patient Service Items Program | Medical |
