| Point Retreat (ak) | Airport Code |
| PRT Forest Regeneration Income Fund | Business |
| Prime Television Ltd | Business |
| Prying Tool | Business |
| Prime Retail, Inc. | Business |
| Precision Records And Tapes | Business |
| Pacific Regeneration Technologies | Business |
| Port.fd.idr | Business |
| Petroleum Revenue Tax | Business |
| Precomputed Radiance Transfer | Chemistry |
| Pacific Resident Theater | Community |
| Parks Recreation and Tourism | Community |
| Peripatetic Remedial Teacher | Community |
| Parks Recreation Tourism | Community |
| Primary Residential Treatment | Community |
| Palliative Response Team | Community |
| Permanent Relieving Teacher | Community |
| Prairie Repertory Theatre | Community |
| Print | Computer Technology |
| Password Reset Tool | Computing |
| Pipeline Renewal Technologies | Computing |
| Performance Ride Technology | Computing |
| Printer Formatted File | Computing |
| Portal Run Time | Computing |
| Parrot Protocol | Cryptocurrency |
| Purge Resonance Technology | Electronics |
| Planar Resistor Technology | Electronics |
| Platinum Resistance Thermometer | Electronics |
| P-cad Component | File Type |
| Ptc Pro/ Engineer Part | File Type |
| Printer Driver (dr.halo) | File Type |
| "Part, Detail" | General |
| Practice Review Tool | General |
| Provincial Reconstruction Team | General |
| Pivotal Response Treatment | General |
| Partner Relationship Team | General |
| Provincial Reconstruction Teams | General |
| Pacific Reportable Time | General |
| Pre Registration Tool | General |
| Pattern Recognition Toolbox | General |
| please retweet This | General |
| Pembantu Rumah Tangga | General |
| Perlovga Removal Tool | General |
| Project Risk Tool | General |
| Personal Residence Trust | General |
| Pro Road Tour | General |
| Postural Restoration Trained | General |
| Permeable Recyclable Tuftlock | General |
| Personal Rapid TransitTM | General |
| Personal Readiness Test | General |
| Row Test | General |
| Problem Report Tool | General |
| Pt100 resistance thermometer | General |
| Parahuman Response Team | General |
| Pivitol Response Training | General |
| Partnership Resource Teams | General |
| Power Rotary Tool | General |
| Personal Rapid Trasit | General |
| Phospholipid Reduction Treatment | General |
| PermRock Royalty Trust | General |
| Provisional Reconstruction Team | General |
| Prospective Randomized Trial | General |
| Panel Removal Tool | General |
| Polymer Reinforced Technology | General |
| Progressive Resistance Training | General |
| Phaser Response Time | General |
| Positive Reinforcement Time | General |
| Pretty Retarded Train | General |
| Potential Response Tree | General |
| Pesticide Resistance Training | General |
| Primary Refresh Token | General |
| Plishner Radio Telescope | General |
| Pressure Relief Termostat | General |
| Personal Rapid Transit | General |
| Perception Reaction Time | General |
| Personal Rapid Transport | General |
| Panhard Racing Team | General |
| Protected Right Turn | General |
| Perception Response Time | General |
| Positive Reinforcement Training | Governmental |
| PANRUTI | Indian Railway Station |
| Partido Revolucionario de los Trabajadores | International |
| Please Re-Tweet | Internet |
| Patient Refused Test | Medical |
| Progressive Regeneration Treatment | Medical |
| Protease Reverse Transcriptase | Medical |
| Positional Release Therapy | Medical |
| Physical Readiness Test | Military and Defence |
| Pivotal Response Training | Military and Defence |
| Provincial Reconstruction Team (afghanistan) | Military and Defence |
| Procedural Reaction Time | Military and Defence |
| Pararescue Team | Military and Defence |
| Patient Reception Team | Military and Defence |
| Physical Readiness Training | Military and Defence |
| Pci Routing Table | Networking |
| Pocatello Regional Transit | Regional |
| Parr Terminal Railroad | Regional |
| Pas Rail Transit | Regional |
| Peer Review Team | Softwares |
| Pulse Repetition Time | Space Science |
| Pretty Ridiculous Technology | Technology |
| Perpendicular Recording Technology | Technology |
| Pulse Ranging Technology | Technology |
