| Phil's Portable Amplifier | Academic & Science |
| Patriot Parents Association | Academic & Science |
| Particle Physics and Astrophysics | Academic & Science |
| Philippine Psychiatric Association | Academic & Science |
| Pakistan Pediatric Association | Academic & Science |
| Player Progression Academy | Academic & Science |
| Pinecrest Preparatory Academy | Academic & Science |
| Purchase Price Allocation | Accounts and Finance |
| Pampa (tx) | Airport Code |
| Fixed Permanent Allowance | Banking |
| Purchased Power Adjustment | Business |
| Professional Photographers Association | Business |
| Pickles People Association | Business |
| Premier Bancorp, Inc., of Pennsylvania | Business |
| Power Play Agreement | Business |
| Program Project Activity | Business |
| Planning, Preparation, and Administration | Business |
| Partners in Personal Assistance | Business |
| Professional Photographers of America | Business |
| Pan Pacific | Business |
| Purchase Price Accounting | Business |
| Phenylpropanolamine | Chemistry |
| Purified Phosphoric Acid | Chemistry |
| Pennsylvania Psychological Association | Community |
| Perennial Plant Association | Community |
| Polish Psychologist Association | Community |
| Pennsylvania Pharmacists Association | Community |
| Pennsylvania Partners in the Arts | Community |
| Pouncival Patron Association | Community |
| Pension Protection Act | Community |
| Panagiotu Pension Advisors | Community |
| Pennsylvania Petroleum Association | Community |
| Parallel Port Adapter | Computer Hardware |
| Privacy Protection Act of 1980 | Computing |
| Power Point Add-in | Computing |
| Pixel Processing Accelerator | Computing |
| Performance Printing Architecture | Computing |
| Please Provide Assistance | Computing |
| Add-in (ms Powerpoint) | File Type |
| Patience Patience Antay | General |
| Prospective Purposive Agent | General |
| Pickled People Association | General |
| Perfect Paper Adhesive | General |
| Poker Players Alliance | General |
| Power Purchase Agreements | General |
| Pistol Packerz Anonymous | General |
| Public Policy Analysis | General |
| Pulse Power Amplifier | General |
| Personal Packaged Archive | General |
| Private Personal Archive | General |
| Purchase Power Agreement | General |
| Personal Packages Archive | General |
| Professional Program in Accountancy | General |
| Pay Per Action | General |
| Prototype Programmatic Agreement | General |
| Parahippocampal Place Area | General |
| paprika | General |
| Private Passenger Auto | General |
| Pedestrian Protection Airbags | General |
| Parallel Park Assist | General |
| Permitted Parking Area | General |
| Peugeot Parc Alliance | General |
| Parts Pricing and Analysis | General |
| Pro Pilot Assist | General |
| Polyphthalamide | General |
| Prize Paper Award | General |
| Personal Package Archives | General |
| Purchase Power Adjustment | General |
| Plasma Power Air | General |
| Pre Pay and Add | General |
| Painful Purchase Agreement | General |
| Partnered Property Acquisitions | General |
| Power Purchasing Ag | General |
| Public Policy and Administration | General |
| Pretty Powerful Alternative | General |
| Prospective Purchaser Agreement | General |
| Project Process Agreement | General |
| Preliminary Project Assessment | General |
| Pick Pocket Attempt | Governmental |
| Provisional Patent Application | Governmental |
| Pennsylvania Paranormal Activity | Governmental |
| Pinelands Preservation Alliance | Governmental |
| Philadelphia Parking Authority | Governmental |
| Public Private Alliance | Governmental |
| Planning Preparation And Assessment | Governmental |
| Participatory Poverty Assessment | Governmental |
| Presidential Power Abused | Governmental |
| Portland Police Association | Governmental |
| Poison Prevention Act | Governmental |
| Progressive Peoples Alliance | Governmental |
| Provision Packages | Governmental |
| Philippine Ports Authority | Governmental |
| Pollution Prevention Act | Governmental |
| Pingat Pentadbiran Awam | Governmental |
| Pittsburgh Parking Authority | Governmental |
| Privacy Protection Act | Governmental |
| PIPRA | Indian Railway Station |
| Personnel Profile Analysis | Jobs |
| Pencil and Paper Arithmetic | Maths |
| Polynomial Parity Argument | Maths |
| Pseudorotation Phase Angle | Maths |
| People Protecting Animals | Medical |
| Primary Progressive Aphasia | Medical |
| Pure Pulmonary Atresia | Medical |
| Puppy Protection Act | Medical |
| Partnership for Prescription Assistance | Medical |
| Phila Prius Agiata The bottle being first shaken | Medical |
| Phenylpropanolamine Hydrochloride | Medical |
| per Prokura | Medical |
| Palpation, Percussion & Auscultation | Medical |
| Participating Provider Agreement | Medical |
| Pathology Practice Association | Medical |
| phenylpyruvic acid | Medical |
| Pittsburgh Pneumonia Agent | Medical |
| plasminogen proactivator | Medical |
| Posterior Pulmonary Artery | Medical |
| postpartum amenorrhoea | Medical |
| Preferred Provider Arrangement | Medical |
| Prescription Pricing Authority | Medical |
| Price Per Accession | Medical |
| Primary Peritoneal Adenocarcinoma | Medical |
| Power Purchase Agreement | Messaging |
| Persins Processing Activity | Military and Defence |
| Personnel Information System (persins) Personnel Activity | Military and Defence |
| Principal Purchasing Agency | Military and Defence |
| Physical Point of Attachment | Military and Defence |
| Practical Pistol Applications | Military and Defence |
| Printer Performance Architecture | Networking |
| Printer Port Architecture | Networking |
| Pampa, Texas USA | Regional |
| Previously Pope Australia | Regional |
| Powersides Personal Assistant | Softwares |
| Powerside Personal Assistant | Softwares |
| Personal Package Archive | Softwares |
| Patch Panel Antenna | Technology |
