| Plasma membrane Intrinsic Protein | Academic & Science |
| Pairwise-Invasibility Plot | Academic & Science |
| Pakistan Institute of Physics | Academic & Science |
| PhosphatidylInositol Phosphate | Academic & Science |
| Psychotic Inpatient Profile | Academic & Science |
| Pronounce it Properly | Academic & Science |
| Practically Instantaneous Propagation | Academic & Science |
| Pool In Pool | Accounts and Finance |
| Price Interest Percentage | Accounts and Finance |
| Penalty Interest Payments | Accounts and Finance |
| Purchasing Invoice Problem | Accounts and Finance |
| Pug Impression Pad | Animal Kingdom |
| Protective Industrial Product | Business |
| People Improving Processes | Business |
| Performance Improvement Program | Business |
| Pipehawk, P.L.C. Ordinary shares | Business |
| Poly Implant Prothèse | Business |
| Policy-Ineffectiveness Proposition | Business |
| Pride In Performance | Business |
| Personal Interaction Panel | Business |
| Purpose Importance Preview | Business |
| Product Improvement Packages | Business |
| Productivity Improvement Program | Business |
| Product Improvement Program | Business |
| Partners In Parks | Community |
| Poetry In Progress | Community |
| Plant It Project | Community |
| Promoting Inclusive Partnerships | Community |
| Parent Involvement Program | Community |
| Project for Innovative Poetry | Community |
| Parents In Presence | Community |
| Parents In Partnership | Community |
| Parent Incentive Program | Community |
| Parent Involvement Project | Community |
| Partners In Pride | Community |
| Practice Incentive Payment | Community |
| Planning for Independance Program | Community |
| T.30 procedural interupt positive | Computer and Networking |
| Plug In Panel | Computer Hardware |
| Presence Information Panel | Computer Hardware |
| Programmable Input Processor | Computer Hardware |
| Peripheral Interchange Program | Computer Hardware |
| Postel's Internet Protocol | Computing |
| Picture In Picture | Computing |
| Product In Package | Computing |
| Programmable Interconnect Point | Computing |
| Proposer's Information Package | Computing |
| Plug-In Protocol | Computing |
| Packet Interface Port | Computing |
| Pattern and Information Processing | Computing |
| Pop In Probe | Computing |
| Primary Input | Computing |
| Pcm Interface Port | Computing |
| Protocol Independent Processes | Computing |
| Peer Information Protocol | Computing |
| Problem Isolation Procedure | Computing |
| Prepare In Progress | Computing |
| Program Initialization Parameter | Computing |
| Pip Installs Packages | Computing |
| Personal Identity Provider | Computing |
| Python In Palm | Computing |
| Private Internet Protocol | Computing |
| Protective Internet Protocol | Computing |
| Peerless Internet Protocol | Computing |
| Policy Information Point | Computing |
| Public Ip | Computing |
| Point in Polygon | Computing |
| Particularly Interesting Processor | Computing |
| Programmable InPut | Computing |
| Projects In Progress | Computing |
| Process-induced Particle | Electronics |
| Peak Input Power | Electronics |
| Preferred Installer Program | General |
| Positive Interaction Program | General |
| Precision Indoor Plants | General |
| Pretty Impressive Pooch | General |
| Plant Incorporated Protectant | General |
| Parole In Place | General |
| Prolactin Inducible Protein | General |
| Paul In Picture | General |
| Porsche Intelligent Performance | General |
| Plugged In Places | General |
| Past International President | General |
| Proton Insurance Programme | General |
| Pawleys Island Promise | General |
| Politically Incorrect Party | General |
| Pesticide Initiative Programme | General |
| Pretend Imaginary Person | General |
| Pointers In Person | General |
| Polycontrast Interference Photography | General |
| Project In Progress | General |
| Polycontrast Interface Photography | General |
| Pain In the Posterior | General |
| Pretty In Pink | General |
| Process Improvement Project | General |
| Process Industry Practices | General |
| Production In Progress | General |
| Percentage Interest Point | General |
| Pip Installs Python | General |
| Personal Identity Portal | General |
| Programmes Implementation Platform | General |
| Protective Industrial Products | General |
| Percentage In Point | General |
| Percentage in Points | General |
| Partido Independentista Puertorriqueño | General |
| Payee Information Portal | General |
| Personal Information Processor | General |
| Point In Percentage | General |
| Personal Individual Piece | General |
| Product In Production | General |
| Proveedor Integral de Precios | General |
| Photo In Photo | General |
| Performance in Practice | General |
| Profile Ignition Pickup | General |
| Paediatric Investigation Plan | Governmental |
| Paediatric Investigation Plans | Governmental |
| Public Involvement Project | Governmental |
| Permanent Inspection Point | Governmental |
| Policía de Investigaciones del Perú | Governmental |
| PTC (Pentagon Telecommunications Center) Interface Processor | Governmental |
| Product Improvement Plan | Governmental |
| Peace Is Patriotic | Governmental |
| Personal Injury Protection | Governmental |
| Political Influence Point | Governmental |
| Public Involvement Plan | Governmental |
| Partners In Prevention | Governmental |
| Personal Interest Partners | Governmental |
| Predicted Impact Point | Governmental |
| Police Information Point | Governmental |
| Primary Intervention Program | Governmental |
| People In Power | Governmental |
| Partners In Protection | Governmental |
| Priority Improvement Project | Governmental |
| PIPLIA | Indian Railway Station |
| Personal Insurance Protection | Insurance |
| Programmable Interactive Plaything | Internet |
| Performance Improvement Plan | Jobs |
| Personal Information Processing | Jobs |
| Performance Incentive Points | Jobs |
| Performance Improvement Potential | Jobs |
| Percent Identity Plot | Measurement Unit |
| Poly Implants Protheses | Medical |
| Prescription Information Package | Medical |
| Pharmaceutical Interface Product | Medical |
| Proximal InterPhalangeal | Medical |
| Proximal Inter Phalanx | Medical |
| Project Investigator Patient | Medical |
| Peak Inspiratory Pressure | Medical |
| Personal Insulin Pump | Medical |
| Prolactin-Induced Protein | Medical |
| Physician Incentive Plan | Medical |
| PIPericillin | Medical |
| piperidin | Medical |
| Positive Inspiratory Pressure | Medical |
| Post-Inflammatory Polyposis | Medical |
| Present Illness Program | Medical |
| Primary Injury Prevention | Medical |
| Proximal InterPhalangeal joint | Medical |
| Public Information Program | Medical |
| Pandemic Influenza Preparedness | Medical |
| Poly-Implant Prothese | Medical |
| Personal Independence Payment | Medical |
| Percentage in purity | Medical |
| Post Injection Pain | Medical |
| Put In Place | Messaging |
| Product Improvement Program (or Plan Or Proposal) | Military and Defence |
| Participant Instrumentation Package | Military and Defence |
| Ptc Interface Processor | Military and Defence |
| Programmable Interconnection Point | Networking |
| Pilot Point Airport, Pilot Point, Alaska USA | Regional |
| People's Independent Party | Regional |
| Picture In A Picture | Softwares |
| Partner Interface Process | Softwares |
| Payload Interface Plan | Space Science |
| Plant Instrumentation Program | Space Science |
| Production Instrumentation Package | Space Science |
| Project Implementation Plan | Space Science |
| Pummled Into Pieces | Sports |
| Player Incentive Program | Sports |
| Players In Progress | Sports |
| Personal Interest Plan | Stock Exchange |
| Price Interest Point | Stock Exchange |
| Periodic Investment Plan | Stock Exchange |
| Personal Investment Plan | Stock Exchange |
| Pre-impulsing Pulse | Telecommunication |
| Palisades Interstate Parkway | Transport & Travel |
| Pilot Point Airport | Transport & Travel |