| Physics Is For Everyone | Academic & Science |
| Persons Institutes Experiments | Academic & Science |
| Partners for Inclusive Employment | Academic & Science |
| People Institutes And Experiments | Academic & Science |
| Program in International Engineering | Academic & Science |
| Proto-Indo-European | Academic & Science |
| Price Implied Expectations | Accounts and Finance |
| People Inflation And Economics | Business |
| Promoting Inclusion And Enterprise | Business |
| Pioneers Inventors Entertainers | Business |
| Penang Indian Entrepreneurs | Business |
| Problem Intervention And Evaluation | Business |
| Process Improvement Experiment | Business |
| Participation, Inclusion, and Empowerment | Business |
| Partners in Excellence | Business |
| PieNetworks Ltd | Business |
| Portfolio Investment Entity | Business |
| Portfolio Investment Entities | Business |
| Polish Innovate And Enjoy | Community |
| Pledge In Earnest | Community |
| Parents Information Education | Community |
| Persons In Evangelism | Community |
| Personal Interest Exploration | Community |
| Project Instruction Ecclesiastes | Community |
| Prayer Information And Encouragement | Community |
| People In Eastbourne | Community |
| Pose Illumination And Expression | Community |
| Prevention Intervention And Education | Community |
| Project Idiocy Expulsion | Community |
| Parent Involvement And Education | Community |
| Partners In Evangelism | Community |
| Philanthropy Involvement And Empowerment | Community |
| Praise, Instruct, and Encourage | Community |
| Pacific Intercultural Exchange | Community |
| Partnership for Inclusive Education | Community |
| Persuasive Informative Exclamation | Community |
| Presence Identity And Edge | Community |
| Parents In Education | Community |
| Partners In Education | Community |
| Positive Instructional And Encouraging | Community |
| Parents Involved in Education | Community |
| Propagation Infection and Execution | Computing |
| Process Instance Evolution | Computing |
| Process Interface Electronics | Computing |
| Publication In Engineering | Computing |
| Protocol Information Element | Computing |
| DeFiPie | Cryptocurrency |
| Personal Interactive Electronics | Electronics |
| Precision Interface Electronics | Electronics |
| Paranormal Interpol Enterprise | General |
| Point Illustration And Explanation | General |
| Pulsed Irrigation Evacuation | General |
| Paleontologists In Exile | General |
| Pictures Of Inkhana For Everyone | General |
| Pikachu Is Evil | General |
| Portland Incubator Experiment | General |
| Project Import Export | General |
| Play Inside Editor | General |
| Play Invent Explore | General |
| Performance Image and Exposure | General |
| Phenomics Information Extractor | General |
| Purpose Ingenuity Evaluation | General |
| Potential Importance and Ease | General |
| Positive Instructional Encouraging | General |
| Passion Innovation And Excellence | General |
| Public Interest Exclusion | General |
| Prevention Intervention and Extension | General |
| Progress Includes Everyone | General |
| Proof Information And Example | General |
| Provider Information Exchange | General |
| Point, Illustration, Explanation | General |
| Psychologically Informed Environments | General |
| Purpose Instinct Exposition | General |
| Paranormal Investigator Extrordinares | General |
| Pan-Island Expressway | General |
| Personal Import Export | General |
| Planning Impact Evaluation | Governmental |
| Preparation Implementation And Evaluation | Governmental |
| Paedophile Information Exchange | Governmental |
| Progressive Internet Explorer | Internet |
| Paranormal Investigators Extraordinaire | Internet |
| Principle of Inclusion and Exclusion | Maths |
| Physicians Insurance Exchange | Medical |
| Pressure Ice And Elevation | Medical |
| Pharynx and Intestinal Excess | Medical |
| Pointers In Email | Messaging |
| Public Internet and Email | Messaging |
| Partner Investment Engine | Messaging |
| Phrases In English | Military and Defence |
| Possibility of Infinite Energy | Physics Related |
| St. Petersburg International Airport, St. Petersburg, Florida USA | Regional |
| Picture Information Extractor | Softwares |
| Polymorphism Inheritance Encapsulation | Softwares |
| Pocket Internet Explorer | Softwares |
| Post-irradiation Examination | Softwares |
| Program Implementation Experience | Softwares |
| Position Independent Executable | Softwares |
| Pie Isnt Echo | Softwares |
| Python Internet Engine | Softwares |
| Payload Integration Equipment | Space Science |
| Pep Initiative and Enthusiasm | Sports |
| Purely Insane Extreme | Sports |
| Plan Invest Enjoy | Stock Exchange |
